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"Shin-Hyeong Cho"

Original Articles

Treatment with Extracellular Vesicles from Giardia lamblia Alleviates Dextran Sulfate Sodium-Induced Colitis in C57BL/6 Mice
Hyun Jung Kim, Young-Ju Lee, Seon-Ok Back, Shin-Hyeong Cho, Hee-Il Lee, Myoung-Ro Lee
Korean J Parasitol 2022;60(5):309-315.
Published online October 21, 2022
DOI: https://doi.org/10.3347/kjp.2022.60.5.309
Inflammatory bowel disease (IBD) is a chronic and recurrent illness of the gastrointestinal tract. Treatment of IBD traditionally involves the use of aminosalicylic acid and steroids, while these drugs has been associated with untoward effects and refractoriness. The absence of effective treatment regimen against IBD has led to the exploration of new targets. Parasites are promising as an alternative therapy for IBD. Recent studies have highlighted the use of parasite-derived substances, such as excretory secretory products, extracellular vesicles (EVs), and exosomes, for the treatment of IBD. In this report, we examined whether EVs secreted by Giardia lamblia could prevent colitis in a mouse model. G. lamblia EVs (GlEVs) were prepared from in vitro cultures of Giardia trophozoites. Clinical signs, microscopic colon tissue inflammation, and cytokine expression levels were detected to assess the effect of GlEV treatment on dextran sulfate sodium (DSS)-induced experimental murine colitis. The administration of GlEVs prior to DSS challenge reduced the expression levels of pro-inflammatory cytokines, including tumor necrosis factor alpha, interleukin 1 beta, and interferon gamma. Our results indicate that GlEV can exert preventive effects and possess therapeutic properties against DSS-induced colitis.

Citations

Citations to this article as recorded by  Crossref logo
  • Role of parasite extracellular vesicles/exosomes in the interaction between hosts and virus-infected flagellate protozoa: Progress and prospects
    Lu Li, Xiaocen Wang, Jianhua Li, Xichen Zhang, Xin Li, Nan Zhang, Lili Cao, Pengtao Gong
    Animals and Zoonoses.2025;[Epub]     CrossRef
  • Microscopic messengers: Extracellular vesicles shaping gastrointestinal health and disease
    Zhantao Yu, Kevin A. Swift, Madeline A. Hedges, Arianne L. Theiss, Sarah F. Andres
    Physiological Reports.2025;[Epub]     CrossRef
  • Extracellular vesicles in parasitic diseases – from pathogenesis to future diagnostic tools
    Saulo Almeida Menezes, Tiana Tasca
    Microbes and Infection.2024; 26(4): 105310.     CrossRef
  • An Improved Method to Enrich Large Extracellular Vesicles Derived from Giardia intestinalis through Differential Centrifugation
    Abel Sana, Izadora Volpato Rossi, Bruna Sabatke, Letícia Bassani Bonato, Lia Carolina Soares Medeiros, Marcel Ivan Ramirez
    Life.2023; 13(9): 1799.     CrossRef
  • Lipidome of extracellular vesicles from Giardia lamblia
    Clarissa Perez Faria, Barbara Ferreira, Ágata Lourenço, Inês Guerra, Tânia Melo, Pedro Domingues, Maria do Rosário Marques Domingues, Maria Teresa Cruz, Maria do Céu Sousa, Maria de Fátima Matos Almeida Henriques de Macedo
    PLOS ONE.2023; 18(9): e0291292.     CrossRef
  • Efficacy of extracellular vesicles as a cell-free therapy in colitis: a systematic review and meta-analysis of animal studies
    Jun-Jie Hou, Wei-Wei Li, Xiao-Li Wang, A-Huo Ma, Yue-Hua Qin
    Frontiers in Pharmacology.2023;[Epub]     CrossRef
  • Protozoa-Derived Extracellular Vesicles on Intercellular Communication with Special Emphasis on Giardia lamblia
    Bárbara Ferreira, Ágata Lourenço, Maria do Céu Sousa
    Microorganisms.2022; 10(12): 2422.     CrossRef
  • 4,117 View
  • 155 Download
  • 8 Web of Science
  • Crossref
Knowledge, Attitudes and Perceptions Regarding Endemic Vivax Malaria in Inhabitants and Patients in Two Cities of Northern Gyeonggi-do, Korea, 2020
Young Yil Bahk, Shin-Hyeong Cho, Sookkyung Park, Jeongran Kwon, Hyesu Kan, Miyoung Kim, Byoung-Kuk Na, Sung Jong Hong, Hyung Wook Kwon, Tong-Soo Kim
Korean J Parasitol 2021;59(6):595-605.
Published online December 22, 2021
DOI: https://doi.org/10.3347/kjp.2021.59.6.595
An understanding of the knowledges, attitudes and perceptions of different populations is key for public health policy makers. Here, a survey was performed on knowledge, attitudes, and perceptions about malaria diagnosis, prevention, control, and treatment. The 407 survey participants included both uninfected inhabitants and patients from 2 cities (Gimpo- and Paju-si) of Northern Gyeonggi-do, known as high-risk areas for vivax malaria. We used community-based study design and non-probability sampling method using the primary data. Association between variables were tested using χ2-tests. In general, the information on malaria reported by the participants in this study was unsystematic and included inaccurate details. The knowledge of malaria symptoms, identified as headache, chills and fever, was high, but the surveyed community lacks knowledge of the specific medications used for malaria treatment, with a large number of respondents having no knowledge of any form of medication. Survey questions with high correct answer rates included questions about easy treatment of malaria in Korea, the high daytime activity of malaria-borne mosquitoes, and the infection risk posed by outdoor activities. However, a large portion of the respondents was unable to provide simple medical and biological information about the disease. This study aimed to comprehensively evaluate the knowledge, attitude, and practical behavior of the surveyed community with respect to malaria and the implications reported here could be applicable to other malaria endemic areas in Korea.
  • 4,793 View
  • 135 Download

Brief Communications

Endemicity of Zoonotic Trematode Metacercariae in Fish from Deokcheon-gang (River) in Sancheong-gun, Gyeongsangnam-do, Republic of Korea
Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Hee Il Lee, Jung-Won Ju, Myoung-Ro Lee, Jeong-Gil Park, Jihee Ahn
Korean J Parasitol 2021;59(5):523-529.
Published online October 22, 2021
DOI: https://doi.org/10.3347/kjp.2021.59.5.523
The endemicity of zoonotic trematode metacercariae (ZTM) was investigated with total 871 freshwater fishes (19 species) from Deokcheon-gang (a branch stream of Gyeongho-gang) in Sancheong-gun, Gyeongsangnam-do, Korea for 3 years (2018-2020). All fishes were examined with the artificial digestion method. The metacercariae of Clonorchis sinensis (CsMc) were detected in 233 (36.3%) out of 642 fish in 11 positive fish species (PFS), and their infection intensity was 27 per fish infected (PFI). Especially, in index fish, Puntungia herzi, of CsMc infection, prevalence was 64.2% and infection intensity was 37 PFI. Metagonimus spp. metacercariae (MsMc) were found in 760 (87.5%) out of 869 fish in 18 PFS and their infection intensity was 228 PFI. In sweet smelt, Plecoglossus altivelis, the prevalence of MsMc was 97.6% and their infection intensity was 3,570 PFI. Centrocestus armatus metacercariae were detected in 209 (29.4%) out of 710 fish in 8 PFS and their infection intensity was 1,361 PFI. Echinostoma spp. metacercariae were found in 293 (42.6%) out of 688 fish in 15 PFS and their infection intensity was 5 PFI. Metacercariae of Clinostomum complanatum and Metorchis orientalis were also detected in 2.7% and 21.2% fish in 4 PFS and their infection intensities were 3.1 and 3.4 PFI respectively. By the present study, it was confirmed that some species of ZTM including CsMc and MsMc are more or less prevalent in fishes from Deokcheon-gang in Sancheong-gun, Gyeongsangnam-do, Korea.

Citations

Citations to this article as recorded by  Crossref logo
  • Infection characteristics of Metagonimus species (Digenea: Heterophyidae) metacercariae in fish from major rivers of Korea
    Woon-Mok Sohn
    Parasites, Hosts and Diseases.2024; 62(1): 1.     CrossRef
  • Re‐evaluation of certain aspects of the EFSA Scientific Opinion of April 2010 on risk assessment of parasites in fishery products, based on new scientific data. Part 2
    Ana Allende, Avelino Alvarez‐Ordóñez, Valeria Bortolaia, Sara Bover‐Cid, Alessandra De Cesare, Wietske Dohmen, Laurent Guillier, Lieve Herman, Liesbeth Jacxsens, Maarten Nauta, Lapo Mughini‐Gras, Jakob Ottoson, Luisa Peixe, Fernando Perez‐Rodriguez, Panag
    EFSA Journal.2024;[Epub]     CrossRef
  • Infection Characteristics of Clonorchis sinensis Metacercariae in Fish from Republic of Korea
    Woon-Mok Sohn
    The Korean Journal of Parasitology.2022; 60(2): 79.     CrossRef
  • Current status of Clonorchis sinensis and clonorchiasis in Korea: epidemiological perspectives integrating the data from human and intermediate hosts
    Won Gi Yoo, Woon-Mok Sohn, Byoung-Kuk Na
    Parasitology.2022; 149(10): 1296.     CrossRef
  • 4,791 View
  • 77 Download
  • 4 Web of Science
  • Crossref
Awareness and Opinions of Inhabitants on Vivax Malaria in Two Endemic Areas, Gyeonggi-do, Korea
Young Yil Bahk, Shin-Hyeong Cho, Byoung-Kuk Na, Sung Jong Hong, Sung-Keun Lee, Tong-Soo Kim
Korean J Parasitol 2021;59(5):513-518.
Published online October 22, 2021
DOI: https://doi.org/10.3347/kjp.2021.59.5.513
The incidence of vivax malaria in Korea was reduced to a low plateau. For successful elimination of vivax malaria, socio-behavioral changes in the communities are essential. This study aimed to figure out awareness of the inhabitants on the vivax malaria endemicity. The 407 participants including vivax malaria patients and uninfected inhabitants in Gimpo- and Paju-si, Gyeonggi-do, known as high-risk areas in Korea. We used a community-based study design and non-probability sampling method using primary data. Except for the perception about the public health facilities’ capability to cope with anti-malaria programs, the 2 groups of participants shared the same level of awareness about public promotional and educational measures and opinions for malaria elimination from the community. Thus, our future goals for malaria prevention and elimination are to develop more active and well-organized community-based education and evaluation programs collaborating with the community healthcare authorities and local governments.
  • 4,047 View
  • 96 Download
An Epidemiological Analysis of 28 Vivax Malaria Cases in Gimpo-si, Korea, 2020
Young Yil Bahk, Shin-Hyeong Cho, Kyoung-Nam Kim, Eun-Hee Shin, Byoung-Hak Jeon, Jeong-Hyun Kim, Sookkyung Park, Jeongran Kwon, Hyesu Kan, Miyoung Kim, Tong-Soo Kim
Korean J Parasitol 2021;59(5):507-512.
Published online October 22, 2021
DOI: https://doi.org/10.3347/kjp.2021.59.5.507
Since 1993, vivax malaria has been recognized as a public health burden in Korea. Despite of pan-governmental malaria-control efforts and the dramatic reduction in the burden of this disease over the last 10 years, vivax malaria has not been well controlled and has remained continuously endemic. We focused interviewed and examined the charts of 28 confirmed vivax malaria patients given malarial therapy for whom daily records were kept from Gimpo-si, Gyeonggido of Korea. Various epidemiological characteristics of vivax malaria, including the incubation period, medication used, and recurrence, and an evaluation of the parasitic characteristics from the focused interviews of patients from this region are described here. Most of the participants indicated the 3 most common symptoms of malaria (headache, chills and fever). Of the 28 cases, 2 experienced a second attack and there were 17 and 11 cases with short- and long-term incubation periods, respectively, yielding a short-term to long-term ratio of 1.5. Based on the parasitemia stages, most of the participants were tested at 5 to 7 days (11 cases) and 7 to 15 days (11 cases) after initial wave of asexual parasites. In conclusion, public health authorities should consider developing management measures to decrease the time lag for diagnosis and drafting unified and robust guidelines for drug use for malaria and drawing up unified and robust guidelines on the use of medication for malaria. It also suggests that routine monitoring, surveillance, and precise medical surveys in high-risk vivax malaria endemic areas are pivotal to controlling this persistent public disease and finally eliminating it from Korea.

Citations

Citations to this article as recorded by  Crossref logo
  • Fine-Scale Spatial Prediction on the Risk of Plasmodium vivax Infection in the Republic of Korea
    Kyung-Duk Min, Yae Jee Baek, Kyungwon Hwang, Na-Ri Shin, So-dam Lee, Hyesu Kan, Joon-Sup Yeom
    Journal of Korean Medical Science.2024;[Epub]     CrossRef
  • Utilization of Glucose-6-Phosphate Dehydrogenase Test and the Prevalence of Enzyme Deficiency in Korea
    Rihwa Choi, Wonseo Park, Gayoung Chun, Sang Gon Lee, Eun Hee Lee
    Journal of Clinical Medicine.2023; 12(9): 3179.     CrossRef
  • Identification of breeding habitats and kdr mutations in Anopheles spp. in South Korea
    Hyelee Hong, Tae-Hui Eom, Thuy-Tien Thi Trinh, Bao Duong Tuan, Hyun Park, Seon-Ju Yeo
    Malaria Journal.2023;[Epub]     CrossRef
  • 5,493 View
  • 131 Download
  • 3 Web of Science
  • Crossref
Survey of Zoonotic Trematode Metacercariae in Fish from Irrigation Canal of Togyo-jeosuji (Reservoir) in Cheorwon-gun, Gangwon-do, Republic of Korea
Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Hee Il Lee, Jung-Won Ju, Myoung-Ro Lee, Eun-Joo Lim, Sung Yong Son, Eunmi Ko, Jaeseok Choi
Korean J Parasitol 2021;59(4):427-432.
Published online August 18, 2021
DOI: https://doi.org/10.3347/kjp.2021.59.4.427
The infection status of zoonotic trematode metacercariae (ZTM) was investigated in total 568 freshwater fishes (19 species) from the irrigation canal of Togyo-jeosuji (Reservoir) in Cheorwon-gun, Gangwon-do, the Republic of Korea for 3 years (2018-2020). All fishes were examined using the artificial digestion method. The metacercariae of Clonorchis sinensis (CsMc) were detected in 180 (43.8%) out of 411 fish of positive species, and their infection intensity was 38 per fish infected (PFI). Especially, in 2 fish species, i.e., Pseudorasbora parva and Puntungia herzi, the prevalence was 82.1% and 31.3%, and the infection intensity with CsMc was 88 and 290 PFI, respectively. Metagonimus spp. metacercariae (MsMc) were found in 403 (74.1%) out of 544 fish of positive species, and their infection intensity was 62 PFI. In the pale chub, Zacco platypus, the prevalence of MsMc was 98.6%, and their infection intensity was 144 PFI. Centrocestus armatus metacercariae were detected in 171 (38.9%) out of 440 fish of positive species, and their infection intensity was 1,844 PFI. Echinostoma spp. metacercariae were found in 94 (19.6%) out of 479 fish of positive species, and their infection intensity was 3 PFI. Metorchis orientalis metacercariae were detected in 43 (29.3%) out of 147 fish of positive species, and their infection intensity was 4 PFI. By the present study, it has been confirmed that some species of ZTM, including CsMc and MsMc, are prevalent in fishes from the irrigation canal of Togyo-jeosuji in Cheorwon-gun, Gangwon-do, Korea.

Citations

Citations to this article as recorded by  Crossref logo
  • Re‐evaluation of certain aspects of the EFSA Scientific Opinion of April 2010 on risk assessment of parasites in fishery products, based on new scientific data. Part 2
    Ana Allende, Avelino Alvarez‐Ordóñez, Valeria Bortolaia, Sara Bover‐Cid, Alessandra De Cesare, Wietske Dohmen, Laurent Guillier, Lieve Herman, Liesbeth Jacxsens, Maarten Nauta, Lapo Mughini‐Gras, Jakob Ottoson, Luisa Peixe, Fernando Perez‐Rodriguez, Panag
    EFSA Journal.2024;[Epub]     CrossRef
  • Current status of Clonorchis sinensis and clonorchiasis in Korea: epidemiological perspectives integrating the data from human and intermediate hosts
    Won Gi Yoo, Woon-Mok Sohn, Byoung-Kuk Na
    Parasitology.2022; 149(10): 1296.     CrossRef
  • Integrative Transcriptomics and Proteomics Analyses to Reveal the Developmental Regulation of Metorchis orientalis: A Neglected Trematode With Potential Carcinogenic Implications
    Jun-Feng Gao, Qing-Bo Lv, Rui-Feng Mao, Yun-Yi Sun, Ying-Yu Chen, Yang-Yuan Qiu, Qiao-Cheng Chang, Chun-Ren Wang
    Frontiers in Cellular and Infection Microbiology.2021;[Epub]     CrossRef
  • 4,561 View
  • 78 Download
  • 6 Web of Science
  • Crossref

Original Article

Prevalence and Infection Intensity of Zoonotic Trematode Metacercariae in Fish from Soyang-cheon (Stream), in Wanju-gun, Jeollabuk-do, Korea
Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Jung-Won Ju, Cheon-Hyeon Kim, Min-Ah Hwang, Kyeong-Woo No, Jong-Ho Park
Korean J Parasitol 2021;59(3):265-271.
Published online June 21, 2021
DOI: https://doi.org/10.3347/kjp.2021.59.3.265
We surveyed on the infection status of zoonotic trematode metacercariae (ZTM) in freshwater fishes from Soyang-cheon (a branch stream of Mangyeong-gang) in Wanju-gun, Jeollabuk-do, the Republic of Korea. A total of 927 fishes were individually examined with the artificial digestion method during 2013-2015 (462 fish in 15 spp.) and 2018-2019 (465 fish in 25 spp.). Clonorchis sinensis metacercariae were detected in 207 (31.4%) out of 659 fishes in 14 positive fish species (PFS), and their mean intensity was 114 per fish infected (PFI). Metagonimus spp. metacercariae were found in 302 (37.4%) out of 808 fishes in 21 PFS, and their mean intensity was 12 PFI. Centrocestus armatus metacercariae were detected in 222 (59.0%) out of 376 fishes in 12 PFS, and their mean intensity was 383 PFI. Echinostoma spp. metacercariae were found in 139 (22.1%) out of 628 fishes in 10 PFS, and their mean intensity was 7 PFI. Clinostomum complanatum metacercariae were detected in 14 (6.5%) out of 214 fishes in 4 PFS, and their mean intensity was 2.4 PFI. Metorchis orientalis metacercariae were detected in 36 (13.5%) out of 267 fishes in 5 PFS, and their mean intensity was 4.3 PFI. Conclusively, the prevalence and infection intensity of ZTM is generally not so high in fishes from Soyang-cheon. However, those of C. sinensis metacercariae are more or less higher in 2 fish species, Pungtungia herzi and Sarcocheilichthys variegatus wakiyae.

Citations

Citations to this article as recorded by  Crossref logo
  • Advanced genomic research in understanding fish-borne zoonotic parasitic infection
    Sk Injamamul Islam, Piyanan Taweethavonsawat
    Microbial Pathogenesis.2025; 200: 107367.     CrossRef
  • Infection characteristics of Metagonimus species (Digenea: Heterophyidae) metacercariae in fish from major rivers of Korea
    Woon-Mok Sohn
    Parasites, Hosts and Diseases.2024; 62(1): 1.     CrossRef
  • Prevalence and species identification of trematode metacercariae in Qiqihar, Northeast China
    Fengyu Zhang, Jianke Li, Shaocheng Zhang, Ting Chen, Hao Zhang
    Frontiers in Microbiology.2024;[Epub]     CrossRef
  • Re‐evaluation of certain aspects of the EFSA Scientific Opinion of April 2010 on risk assessment of parasites in fishery products, based on new scientific data. Part 2
    Ana Allende, Avelino Alvarez‐Ordóñez, Valeria Bortolaia, Sara Bover‐Cid, Alessandra De Cesare, Wietske Dohmen, Laurent Guillier, Lieve Herman, Liesbeth Jacxsens, Maarten Nauta, Lapo Mughini‐Gras, Jakob Ottoson, Luisa Peixe, Fernando Perez‐Rodriguez, Panag
    EFSA Journal.2024;[Epub]     CrossRef
  • Infection Characteristics of Clonorchis sinensis Metacercariae in Fish from Republic of Korea
    Woon-Mok Sohn
    The Korean Journal of Parasitology.2022; 60(2): 79.     CrossRef
  • Zoonotic diseases of fish and their prevention and control
    Mina Ziarati, Mohammad Jalil Zorriehzahra, Fatemeh Hassantabar, Zibandeh Mehrabi, Manish Dhawan, Khan Sharun, Talha Bin Emran, Kuldeep Dhama, Wanpen Chaicumpa, Shokoofeh Shamsi
    Veterinary Quarterly.2022; 42(1): 95.     CrossRef
  • Current status of Clonorchis sinensis and clonorchiasis in Korea: epidemiological perspectives integrating the data from human and intermediate hosts
    Won Gi Yoo, Woon-Mok Sohn, Byoung-Kuk Na
    Parasitology.2022; 149(10): 1296.     CrossRef
  • Survey of Zoonotic Trematode Metacercariae in Fish from Irrigation Canal of Togyo-jeosuji (Reservoir) in Cheorwon-gun, Gangwon-do, Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Hee Il Lee, Jung-Won Ju, Myoung-Ro Lee, Eun-Joo Lim, Sung Yong Son, Eunmi Ko, Jaeseok Choi
    The Korean Journal of Parasitology.2021; 59(4): 427.     CrossRef
  • 4,979 View
  • 92 Download
  • 9 Web of Science
  • Crossref

Brief Communication

High Endemicity with Clonorchis sinensis Metacercariae in Fish from Yongjeon-cheon (Stream) in Cheongsong-gun, Gyeongsangbuk-do, Korea
Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Hee Il Lee, Myoung-Ro Lee, Jung-Won Ju, Gou Ok Kim
Korean J Parasitol 2021;59(1):97-101.
Published online February 19, 2021
DOI: https://doi.org/10.3347/kjp.2021.59.1.97
The infection status with Clonorchis sinensis metacercariae (CsMc) was examined in freshwater fishes from Yongjeon-cheon (a branch of Nakdong-gang) located in Cheongsong-gun, Gyeongsangbuk-do, the Republic of Korea (Korea). A total of 750 fishes in 19 species were examined by the artificial digestion method for 2 years (2019 and 2020). CsMc were detected in 378 (51.4%) out of 735 fishes in 14 species (73.7%), and the infection intensity was 666 per fish infected. In 2019, CsMc were found in 172 (68.0%) out of 253 fishes in 10 species, and the infection intensity was 565 per fish infected. In 2020, CsMc were detected in 206 (62.2%) out of 331 fishes in 10 species, and the infection intensity was 751 per fish infected. The other zoonotic trematode, ie. Metagonimus spp., Centrocestus armatus, Echinostoma spp. and Clinostomum complanatum, metacercariae were also detected in fishes from the survey streams, but their endemicities were relatively low. Conclusively, it was first confirmed that CsMc are highly endemic in fishes from Yongjeon-cheon in Cheongsong-gun, Gyeongsangbuk-do, Korea.

Citations

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  • Factors Contributing to the High Malignancy Level of Cholangiocarcinoma and Its Epidemiology: Literature Review and Data
    Xuan Li, Renchu Guan, Shuangquan Zhang
    Biology.2025; 14(4): 351.     CrossRef
  • Infection Characteristics of Clonorchis sinensis Metacercariae in Fish from Republic of Korea
    Woon-Mok Sohn
    The Korean Journal of Parasitology.2022; 60(2): 79.     CrossRef
  • Current status of Clonorchis sinensis and clonorchiasis in Korea: epidemiological perspectives integrating the data from human and intermediate hosts
    Won Gi Yoo, Woon-Mok Sohn, Byoung-Kuk Na
    Parasitology.2022; 149(10): 1296.     CrossRef
  • Comparison of Pest Occurrence and Viral Disease Incidence Rate with Reduced the Application of Pesticides in Red Pepper Field
    Tae-young Kim, Cheol Jang, Hyun-woo Kang, Jae-hyuk Choi, Ho-wook Lee, Jong-won Lee, Dae-hong Lee, Seung-kyu Yang, Seon-yeong Lee6, Cheol-gi Min, DongWoon Lee
    The Korean Journal of Pesticide Science.2021; 25(1): 1.     CrossRef
  • Electron beam irradiation to control biohazards in seafood
    Raj Kamal Gautam, Vazhiyil Venugopal
    Food Control.2021; 130: 108320.     CrossRef
  • Prevalence and Infection Intensity of Zoonotic Trematode Metacercariae in Fish from Soyang-cheon (Stream), in Wanju-gun, Jeollabuk-do, Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Jung-Won Ju, Cheon-Hyeon Kim, Min-Ah Hwang, Kyeong-Woo No, Jong-Ho Park
    The Korean Journal of Parasitology.2021; 59(3): 265.     CrossRef
  • Survey of Zoonotic Trematode Metacercariae in Fish from Irrigation Canal of Togyo-jeosuji (Reservoir) in Cheorwon-gun, Gangwon-do, Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Hee Il Lee, Jung-Won Ju, Myoung-Ro Lee, Eun-Joo Lim, Sung Yong Son, Eunmi Ko, Jaeseok Choi
    The Korean Journal of Parasitology.2021; 59(4): 427.     CrossRef
  • Cholangiocarcinoma
    Paul J. Brindley, Melinda Bachini, Sumera I. Ilyas, Shahid A. Khan, Alex Loukas, Alphonse E. Sirica, Bin Tean Teh, Sopit Wongkham, Gregory J. Gores
    Nature Reviews Disease Primers.2021;[Epub]     CrossRef
  • Endemicity of Zoonotic Trematode Metacercariae in Fish from Deokcheon-gang (River) in Sancheong-gun, Gyeongsangnam-do, Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Hee Il Lee, Jung-Won Ju, Myoung-Ro Lee, Jeong-Gil Park, Jihee Ahn
    The Korean Journal of Parasitology.2021; 59(5): 523.     CrossRef
  • 5,194 View
  • 94 Download
  • 8 Web of Science
  • Crossref

Original Articles

Survey of Zoonotic Trematode Metacercariae in Fish from Water Systems of Geum-gang (River) in Republic of Korea
Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Cheon-Hyeon Kim, Min-Ah Hwang, Kyeong-Woo No, Jai-Dong Kim
Korean J Parasitol 2021;59(1):23-33.
Published online February 19, 2021
DOI: https://doi.org/10.3347/kjp.2021.59.1.23
The infection status of zoonotic trematode metacercariae (ZTM) was surveyed in freshwater fishes from the water systems of Geum-gang (River) in the Republic of Korea (Korea). A total of 1,161 freshwater fishes from 6 local sites of Geum-gang were examined with the artificial digestion method for 4 years (2012-2015). Clonorchis sinensis metacercariae were detected in 122 (37.2%) out of 328 fishes in the positive fish species from 4 surveyed areas, and their mean intensity was 43 per fish infected. Metagonimus spp. metacercariae were found in 432 (51.7%) out of 835 fishes in the positive fish species from all 6 surveyed areas, and their mean intensity was 30 per fish infected. Centrocestus armatus metacercariae were detected in 285 (75.0%) out of 380 fishes in the positive fish species from 6 surveyed areas, and their mean intensity was 2,100 per fish infected. Echinostoma spp. metacercariae were found in 56 (19.7%) out of 284 fishes in the positive fish species from 5 surveyed areas, and their mean intensity was 10 per fish infected. Clinostomum complanatum metacercariae were detected in 98 (57.3%) out of 171 fishes in the positive fish species from only 2 surveyed areas, and their mean intensity was 11 per fish infected. Conclusively, the endemicity of ZTM is not so high in fishes from water systems of Geum-gang in Korea although it is more or less different by fish species, surveyed areas and ZTM species.

Citations

Citations to this article as recorded by  Crossref logo
  • Infection characteristics of Metagonimus species (Digenea: Heterophyidae) metacercariae in fish from major rivers of Korea
    Woon-Mok Sohn
    Parasites, Hosts and Diseases.2024; 62(1): 1.     CrossRef
  • Infection Characteristics of Clonorchis sinensis Metacercariae in Fish from Republic of Korea
    Woon-Mok Sohn
    The Korean Journal of Parasitology.2022; 60(2): 79.     CrossRef
  • Current status of Clonorchis sinensis and clonorchiasis in Korea: epidemiological perspectives integrating the data from human and intermediate hosts
    Won Gi Yoo, Woon-Mok Sohn, Byoung-Kuk Na
    Parasitology.2022; 149(10): 1296.     CrossRef
  • Prevalence and Infection Intensity of Zoonotic Trematode Metacercariae in Fish from Soyang-cheon (Stream), in Wanju-gun, Jeollabuk-do, Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Jung-Won Ju, Cheon-Hyeon Kim, Min-Ah Hwang, Kyeong-Woo No, Jong-Ho Park
    The Korean Journal of Parasitology.2021; 59(3): 265.     CrossRef
  • Survey of Zoonotic Trematode Metacercariae in Fish from Irrigation Canal of Togyo-jeosuji (Reservoir) in Cheorwon-gun, Gangwon-do, Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Hee Il Lee, Jung-Won Ju, Myoung-Ro Lee, Eun-Joo Lim, Sung Yong Son, Eunmi Ko, Jaeseok Choi
    The Korean Journal of Parasitology.2021; 59(4): 427.     CrossRef
  • 5,533 View
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Risk Factors of Clonorchis sinensis Human Infections in Endemic Areas, Haman-Gun, Republic of Korea: A Case-Control Study
Sang-Eun Lee, Hee-Eun Shin, Myoung-Ro Lee, Yang-Hee Kim, Shin-Hyeong Cho, Jung-Won Ju
Korean J Parasitol 2020;58(6):647-652.
Published online December 29, 2020
DOI: https://doi.org/10.3347/kjp.2020.58.6.647
Clonorchis sinensis is the most common fish-borne intestinal parasite in Korea. The aim of the present investigation was to survey the status of C. sinensis infection and analyze associated risk factors in residents of Haman-gun, Gyeongsangnam-do. A total of 5,114 residents from 10 administrative towns/villages voluntarily agreed to participate in the study, which comprised fecal examination, a questionnaire survey for risk factors, ultrasonography, and enzymelinked immunosorbent assay for cancer biomarker detection in the blood. We detected C. sinensis eggs in 5.3% of the subjects. By region, Gunbuk-myeon had the highest number of residents with C. sinensis eggs. The infection rate and intensity were higher in male than in female residents. Based on the risk factor questionnaire, infection was highly associated with drinking, a history of C. sinensis infection, and the practice of eating of raw freshwater fish. Extension of the bile duct, infection intensity, and cancer biomarker detection significantly correlated with the presence of eggs in the study population. In conclusion, the development of feasible, long-term control policies and strategies for the elimination of C. sinensis in Korea is still required.

Citations

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  • Epidemiology and risk factors of Clonorchis sinensis infection in the mountainous areas of Longsheng County, Guangxi: insights from automated machine learning
    Xiaowen Li, Yu Chen, Guoyang Huang, Xuerong Sun, Gang Mo, Xiaohong Peng
    Parasitology Research.2025;[Epub]     CrossRef
  • Prevalence and risk factors of fish-borne zoonotic trematode infections in a rural community: A cross-sectional study in the Red River Delta of Vietnam
    Hoang Dinh Canh, Cao Ba Loi, Nguyen Van Tuan, Nguyen Van Thoai, Nguyen Duc Tan, Nguyen Thi Nhu Quynh, Vu Van Du, Do Ngoc Anh
    Journal of Public Health Research.2025;[Epub]     CrossRef
  • Assessing trends in clonorchiasis incidence via prescription data analysis in South Korea
    Taeksang Lee, Jun Hyun Lee, Hanna Jin, Yun Kyung Lee, Hyun Beom Song
    BMC Public Health.2025;[Epub]     CrossRef
  • Clonorchiasis and opisthorchiasis: epidemiology, transmission, clinical features, morbidity, diagnosis, treatment, and control
    Men-Bao Qian, Jennifer Keiser, Jürg Utzinger, Xiao-Nong Zhou, Graeme N. Forrest
    Clinical Microbiology Reviews.2024;[Epub]     CrossRef
  • Infection characteristics of Metagonimus species (Digenea: Heterophyidae) metacercariae in fish from major rivers of Korea
    Woon-Mok Sohn
    Parasites, Hosts and Diseases.2024; 62(1): 1.     CrossRef
  • Age, period, and cohort effects of Clonorchis sinensis infection prevalence in the Republic of Korea: Insights and projections
    Sung-mok Jung, Heewon Kang, Bong-Kwang Jung, Sejin Ju, Jung-Won Ju, Myoung-Ro Lee, Jong-hun Kim, Sung Hye Kim, Ran Wang
    PLOS Neglected Tropical Diseases.2024; 18(10): e0012574.     CrossRef
  • Risk factors for Clonorchis sinensis infections and control measures reinforced with focused interviews
    Soon-Ok Lee, Fuhong Dai, Eun Joo Park, Yun Pyo Hong, Fu-Shi Quan, Jin-Ho Song, Sung-Jong Hong
    Parasitology Research.2024;[Epub]     CrossRef
  • Infection Characteristics of Clonorchis sinensis Metacercariae in Fish from Republic of Korea
    Woon-Mok Sohn
    The Korean Journal of Parasitology.2022; 60(2): 79.     CrossRef
  • Epidemiology and determinants of Clonorchis sinensis infection: A community-based study in southeastern China
    Men-Bao Qian, Chang-Hai Zhou, Zhi-Hua Jiang, Yi-Chao Yang, Ming-Fei Lu, Kang Wei, Si-Liang Wei, Yu Chen, Hong-Mei Li, Xiao-Nong Zhou
    Acta Tropica.2022; 233: 106545.     CrossRef
  • Status of Helminthic Infections in Residents around River Basins in the Republic of Korea for 10 Years (2011-2020)
    Myoung-Ro Lee, Hee-Eun Shin, Seon-Ok Back, Young-Ju Lee, Hee-Il Lee, Jung-Won Ju
    The Korean Journal of Parasitology.2022; 60(3): 187.     CrossRef
  • Clonorchis sinensis infection modulates key cytokines for essential immune response impacted by sex
    Shuo Kan, Qi Li, Hong-Mei Li, Yan-Hua Yao, Xin-Yue Du, Chen-Yun Wu, Guang-Jie Chen, Xiao-Kui Guo, Men-Bao Qian, Zhao-Jun Wang, jong-Yil Chai
    PLOS Neglected Tropical Diseases.2022; 16(9): e0010726.     CrossRef
  • Foodborne Parasites and Their Complex Life Cycles Challenging Food Safety in Different Food Chains
    Sarah Gabriël, Pierre Dorny, Ganna Saelens, Veronique Dermauw
    Foods.2022; 12(1): 142.     CrossRef
  • Novel mechanism of hepatobiliary system damage and immunoglobulin G4 elevation caused by Clonorchis sinensis infection
    Xin-He Zhang, Die Huang, Yi-Ling Li, Bing Chang
    World Journal of Clinical Cases.2021; 9(23): 6639.     CrossRef
  • Cost yield of different treatment strategies against Clonorchis sinensis infection
    Men-Bao Qian, Chang-Hai Zhou, Hui-Hui Zhu, Ying-Dan Chen, Xiao-Nong Zhou
    Infectious Diseases of Poverty.2021;[Epub]     CrossRef
  • 6,479 View
  • 102 Download
  • 14 Web of Science
  • Crossref

Brief Communication

Outbreak of Cyclosporiasis in Korean Travelers Returning from Nepal
Da-Won Ma, Myoung-Ro Lee, Bora Ku, Shin-Hyeong Cho, Sang-Eun Lee
Korean J Parasitol 2020;58(5):589-592.
Published online October 22, 2020
DOI: https://doi.org/10.3347/kjp.2020.58.5.589
Cyclospora cayetanensis is an apicomplexan protozoan and is one of the most common pathogens causing chronic diarrhea worldwide. Eight stool samples with diarrheal symptom out of 18 Korean residents who traveled to Nepal were obtained, and examined for 25 enteropathogens including 16 bacterial species, 5 viral species, and 4 protozoans in stool samples as causative agents of water-borne and food-borne disease. Only C. cayetanensis was detected by nested PCR, and 3 PCR-positive samples were sequenced to confirm species identification. However, the oocysts of C. cayetanensis in fecal samples could not be detected by direct microscopy of the stained sample. As far as we know, this is the first report of a group infection with C. cayetanensis from a traveler visiting Nepal, and the second report of a traveler’s diarrhea by C. cayetanensis imported in Korea.

Citations

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  • Food Safety in Developing Countries: Common Foodborne and Waterborne Illnesses, Regulations, Organizational Structure, and Challenges of Food Safety in the Context of Nepal
    Deepak Subedi, Madhav Paudel, Sandesh Poudel, Niranjan Koirala
    Food Frontiers.2025; 6(1): 86.     CrossRef
  • Imported parasitic diseases in the Republic of Korea: status and issues
    Jong-Yil Chai
    Journal of the Korean Medical Association.2025; 68(1): 52.     CrossRef
  • Cyclospora and Cyclosporiasis: The Nepalese Perspective
    Pitambar Dhakal, Junqiang Li, Bishnu Maya K.C., Yin Fu, Yuancai Chen, Longxian Zhang
    Zoonoses.2024;[Epub]     CrossRef
  • Cyclospora cayetanensis: A Perspective (2020–2023) with Emphasis on Epidemiology and Detection Methods
    Sonia Almeria, Leonor Chacin-Bonilla, Jenny G. Maloney, Monica Santin
    Microorganisms.2023; 11(9): 2171.     CrossRef
  • Waterborne transmission of protozoan parasites: a review of worldwide outbreaks – an update 2017–2022
    Pavlina Bourli, Aida Vafae Eslahi, Ourania Tzoraki, Panagiotis Karanis
    Journal of Water and Health.2023; 21(10): 1421.     CrossRef
  • Waterborne protozoan outbreaks: An update on the global, regional, and national prevalence from 2017 to 2020 and sources of contamination
    Jun-Yang Ma, Man-Yao Li, Ze-Zheng Qi, Ming Fu, Tian-Feng Sun, Hany M. Elsheikha, Wei Cong
    Science of The Total Environment.2022; 806: 150562.     CrossRef
  • Review on Cyclosporiasis Outbreaks and Potential Molecular Markers for Tracing Back Investigations
    Junqiang Li, Feifei Xu, Md Robiul Karim, Longxian Zhang
    Foodborne Pathogens and Disease.2022; 19(12): 796.     CrossRef
  • 4,738 View
  • 99 Download
  • 7 Web of Science
  • Crossref

Original Article

Prevalence of Toxocariasis and Its Risk Factors in Patients with Eosinophilia in Korea
Hyun Beom Song, Deokho Lee, Yan Jin, Jinwoo Kang, Shin-Hyeong Cho, Min Sun Park, Jin-Ho Park, Woo-Jung Song, Hye-Ryun Kang, Sang Hyub Lee, Sung-Tae Hong, Min-Ho Choi
Korean J Parasitol 2020;58(4):413-419.
Published online August 26, 2020
DOI: https://doi.org/10.3347/kjp.2020.58.4.413
Eosinophilia occurs commonly in many diseases including allergic diseases and helminthic infections. Toxocariasis has been suggested as one cause of eosinophilia. The present study was undertaken to examine the prevalence of toxocariasis in patients with eosinophilia and to identify the risk factors for toxocariasis. This prospective cohort study recruited a total of 81 patients with eosinophilia (34 males and 47 females) who visited the outpatient clinic at Seoul National University Hospital from January 2017 to February 2018 and agreed to participate in this study. The prevalence of toxocariasis was examined by T. canis-specific ELISA, and the various risk factors for toxocariasis were evaluated by a questionnaire survey. Among 81 patients with eosinophilia, 18 were positive for anti-T. canis antibodies (22.2%); 88.9% were male (16/18) and 11.1% were female (2/18). Multivariate statistical analysis revealed that males (OR 21.876, 95% CI: 1.667-287.144) with a history of consuming the raw meat or livers of animals (OR 5.899, 95% CI: 1.004-34.669) and a heavy alcohol-drinking habit (OR 8.767, 95% CI: 1.018-75.497) were at higher risk of toxocariasis in patients with eosinophilia. Toxocariasis should be considered a potential cause of eosinophilia when the patient has a history of eating the raw meat or livers of animals in Korea. A single course of albendazole is recommended to reduce the migration of Toxocara larvae in serologically positive cases with eosinophilia.

Citations

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  • Evaluation of a Multiplex Bead Assay for Strongyloides stercoralis diagnosis using the recombinant antigen rSs-NIE-1
    Joelma Nascimento de Souza, Wéslei Almeida Costa Araújo, Márcia Cristina Aquino Teixeira, Neci Matos Soares
    Diagnostic Microbiology and Infectious Disease.2026; 114(2): 117108.     CrossRef
  • High toxocariasis seroprevalence in a tri-border indigenous community (Brazil, Paraguay and Argentina): A One Health perspective
    Isabella Braghin Ferreira, Roberto Teixeira de Souza Filho, Susana Angélica Zevallos Lescano, Rogério Giuffrida, Daniele Rodrigues, Suelen Teixeira de Faria Resende, Fabiano Borges Figueiredo, Louise Bach Kmetiuk, Andrea Pires dos Santos, Alexander Welker
    One Health.2025; 21: 101106.     CrossRef
  • Human toxocariasis
    Susana Lopez-Alamillo, Pravallika Padyala, Megan Carey, Megan M. Duffey, Jill E. Weatherhead, Louisa A. Messenger, Bachir Medrouh, Marcelo U. Ferreira
    Clinical Microbiology Reviews.2025;[Epub]     CrossRef
  • First Report on the Seroprevalence and Risk Factors Associated with Toxocara Infection in Blood Donors from Romania
    Ana Alexandra Ardelean, Rodica Lighezan, Sorin Ursoniu, Sergiu Adrian Sprintar, Daniela Adriana Oatis, Alin Gabriel Mihu, Maria Alina Lupu, Tudor Rareș Olariu
    Pathogens.2025; 14(9): 857.     CrossRef
  • TỶ LỆ VÀ YẾU TỐ LIÊN QUAN NHIỄM TOXOCARA CANIS TẠI PHÒNG KHÁM BỆNH VIỆN ĐẠI HỌC Y DƯỢC 1 THÀNH PHỐ HỒ CHÍ MINH
    Nguyễn Ngọc Phi Anh Nguyễn Ngọc Phi Anh, Trần Thị Kim Dung Trần Thị Kim Dung, Huỳnh Thị Thu Thảo Huỳnh Thị Thu Thảo
    Tạp Chí Khoa Học Trường Đại Học Quốc Tế Hồng Bàng.2024; : 213.     CrossRef
  • Toxocariasis: potential association with bronchial asthma, and pneumonia among pediatric children
    Wegdan M. Abd El Wahab, Mona I. Ali, Shimaa S. Ibrahim, Yasmen A. Mohamed, Doaa A. Hamdy
    Journal of Parasitic Diseases.2023; 47(1): 93.     CrossRef
  • One health approach to toxocariasis in quilombola communities of southern Brazil
    Vamilton Alvares Santarém, Giovanni Kalempa Panazzolo, Louise Bach Kmetiuk, Orlei José Domingues, Isabella Braghin Ferreira, Roberto Teixeira de Souza Filho, João Henrique Farinhas, Fernando Rodrigo Doline, Susana Angélica Zevallos Lescano, Leandro Menegu
    Parasites & Vectors.2023;[Epub]     CrossRef
  • Seroprevalence of toxocariasis among allergic patients in Kuwait and its association with eosinophilia
    Mohammad Al-Awadhi, Wafaa Jamal
    Parasite Epidemiology and Control.2022; 18: e00260.     CrossRef
  • Green vegetable juice as a potential source of human fascioliasis in Korea
    Sungim Choi, Sunghee Park, Sooji Hong, Hyejoo Shin, Bong-Kwang Jung, Min Jae Kim
    One Health.2022; 15: 100441.     CrossRef
  • Serosurvey of anti-Toxocara canis antibodies in people experiencing homelessness and shelter workers from São Paulo, Brazil
    Vamilton Alvares Santarém, Anahi Chechia do Couto, Susana Zevallos Lescano, William Henry Roldán, Ruana Renostro Delai, Rogério Giuffrida, Louise Bach Kmetiuk, Alexander Welker Biondo, Sriveny Dangoudoubiyam, Andrea Pires dos Santos
    Parasites & Vectors.2022;[Epub]     CrossRef
  • Seroprevalence of Toxocariasis Among Hypereosinophilic Children: A Single Center Study, Tehran, Iran
    Meysam Sharifdini, Mehdi Zarean, Mehrzad Sadredinamin, Mitra Zare- Bavani, Sarah Sharifi-yazdi, Bahram Nikmanesh
    Archives of Pediatric Infectious Diseases.2022;[Epub]     CrossRef
  • The Role of Nile Tilapia (Oreochromis niloticus) in the Life Cycle of Toxocara spp.
    Everton André de Oliveira, Yslla Fernanda Fitz Balo Merigueti, Isabella Braghin Ferreira, Isabele Santos Garcia, Alini Soriano Pereira, Rosemeire de Souza Santos, Louise Bach Kmetiuk, Andrea Pires dos Santos, Alexander Welker Biondo, Rogerio Giuffrida, Va
    Frontiers in Veterinary Science.2021;[Epub]     CrossRef
  • 7,291 View
  • 185 Download
  • 11 Web of Science
  • Crossref

Brief Communication

Diagnosis and Molecular Analysis on Imported Plasmodium ovale curtisi and P. ovale wallikeri Malaria Cases from West and South Africa during 2013-2016
Hyun-Il Shin, Bora Ku, Yu Jung Kim, Tae Yun Kim, Shin-Hyeong Cho, Sang-Eun Lee
Korean J Parasitol 2020;58(1):61-65.
Published online February 29, 2020
DOI: https://doi.org/10.3347/kjp.2020.58.1.61
Majority of the imported malaria cases in Korea is attributed to Plasmodium falciparum and P. vivax infections, whereas P. malariae and P. ovale infections are very rare. Falciparum and ovale malaria are mostly imported from Africa, while most of the vivax malaria cases are imported from Southeast Asia. Here, we report 6 Korean imported ovale malaria cases (4 males and 2 females) who had visited in Africa during 2013-2016. These subjects were diagnosed with P. ovale based on microscopic findings, Plasmodium species-specific nested-PCR, and phylogenetic clade using 18S rRNA gene sequences. We identified 2 P. ovale subtypes, 1 P. ovale curtisi (classic type) and 5 P. ovale wallikeri (variant type). All patients were treated with chloroquine and primaquine, and no relapse or recrudescence was reported for 1 year after treatment. With increase of travelers to the countries where existing Plasmodium species, the risk of Plasmodium infection is also increasing. Molecular monitoring for imported malaria parasites should be rigorously and continuously performed to enable diagnosis and certification of Plasmodium spp.

Citations

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  • Identification of Pharmacophore Groups with Antimalarial Potential in Flavonoids by QSAR-Based Virtual Screening
    Adriana de Oliveira Fernandes, Valéria Vieira Moura Paixão, Yria Jaine Andrade Santos, Eduardo Borba Alves, Ricardo Pereira Rodrigues, Daniela Aparecida Chagas-Paula, Aurélia Santos Faraoni, Rosana Casoti, Marcus Vinicius de Aragão Batista, Marcel Bermude
    Drugs and Drug Candidates.2025; 4(3): 33.     CrossRef
  • Epidemiological Profile and Risk Factors for Malaria in Rural Communities Before the Operationalization of the Singrobo–Ahouaty Dam, Southern Côte d’Ivoire
    Taki Jean Deles Avenié, Kigbafori Dieudonné Silué, Négnorogo Guindo-Coulibaly, Naférima Koné, Sadikou Touré, Kouamé Laurent Valian, Kouassi Séraphin Kouadio, Alloua Marie Joelle Bédia, Boza Fulgence Déabo, Klotcholman Diabagaté, Christian Nsanzabana, Jean
    Tropical Medicine and Infectious Disease.2025; 10(7): 197.     CrossRef
  • Missed Plasmodium ovale Infections Among Symptomatic Persons in Angola, Mozambique, and Ethiopia
    Colleen M Leonard, Jimee Hwang, Ashenafi Assefa, Rose Zulliger, Baltazar Candrinho, Pedro Rafael Dimbu, Abuchahama Saifodine, Mateusz Plucinski, Eric Rogier
    Open Forum Infectious Diseases.2022;[Epub]     CrossRef
  • Elevated plasma α1-antichymotrypsin is a biomarker candidate for malaria patients
    Young Yil Bahk, Sang Bong Lee, Jong Bo Kim, Tong-Soo Kim, Sung-Jong Hong, Dong Min Kim, Sungkeun Lee
    BMB Reports.2022; 55(11): 571.     CrossRef
  • Recent Spatial and Temporal Trends of Malaria in Korea
    Yeong Hoon Kim, Hye-Jin Ahn, Dongjae Kim, Sung-Jong Hong, Tong-Soo Kim, Ho-Woo Nam
    The Korean Journal of Parasitology.2021; 59(6): 585.     CrossRef
  • 7,053 View
  • 152 Download
  • 4 Web of Science
  • Crossref

Original Article

Infection Status with Digenetic Trematode Metacercariae in Fishes from Coastal Lakes in Gangwon-do, Republic of Korea
Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Soon-Won Lee
Korean J Parasitol 2019;57(6):681-690.
Published online December 31, 2019
DOI: https://doi.org/10.3347/kjp.2019.57.6.681
The infection status of digenetic trematode metacercariae (DTM) was investigated in fishes from coastal lakes in Gangwon-do, the Republic of Korea (Korea). All fishes collected in 5 lakes were examined with the artificial digestion method. More than 10 species, i.e., Metagonimus spp., Pygidiopsis summa, Centrocestus armatus, Metorchis orientalis, M. taiwanensis, Clinostomum complanatum, Echinostoma spp., Stictodora spp., Diplostomum sp. and Diplostomid No. 1. by Morita (1960), of DTM were detected in fishes from 5 coastal lakes in Gangwon-do. Metagonimus spp. metacercariae were found in 52 (41.3%) out of 126 sea rundace, Tribolodon hakonensis, from 5 lakes, and their density was 14.6 per fish infected. P. summa metacercariae were detected in 48 (84.2%) out of 57 mullets from 5 lakes, and their density was 316 per fish infected. C. armatus metacercariae were detected in 7 (14.6%) T. hakonensis and 3 (15.0%) Tridentiger brevispinis from Hyang-ho, and 5 (19.2%) Acanthogobius flavimanus from Gyeongpo-ho. Stictodora spp. metacercariae were found in 4 fish species, i.e., Tridentiger obscurus, Tridentiger trigonocephalus, Chelon haematocheilus, and Acanthogobius lactipes, from Gyeongpo-ho. Total 15 C. complanatum metacercariae were detected in 2 (9.1%) crucian carp, Carassius auratus, from Songji-ho. M. taiwanensis metacercariae were found in T. hakonensis from Hyang-ho and Gyeongpo-ho and in Pseudorasbora parva from Gyeongpo-ho. Total 11 M. orientalis metacercariae were detected in 3 (6.3%) T. hakonensis from Hyang-ho. From the above results, it was confirmed that various species of DTM are infected in fishes from coastal lakes in Gangwon-do, Korea.

Citations

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  • Infection characteristics of Metagonimus species (Digenea: Heterophyidae) metacercariae in fish from major rivers of Korea
    Woon-Mok Sohn
    Parasites, Hosts and Diseases.2024; 62(1): 1.     CrossRef
  • Re‐evaluation of certain aspects of the EFSA Scientific Opinion of April 2010 on risk assessment of parasites in fishery products, based on new scientific data. Part 2
    Ana Allende, Avelino Alvarez‐Ordóñez, Valeria Bortolaia, Sara Bover‐Cid, Alessandra De Cesare, Wietske Dohmen, Laurent Guillier, Lieve Herman, Liesbeth Jacxsens, Maarten Nauta, Lapo Mughini‐Gras, Jakob Ottoson, Luisa Peixe, Fernando Perez‐Rodriguez, Panag
    EFSA Journal.2024;[Epub]     CrossRef
  • Survey of Zoonotic Trematode Metacercariae in Fish from Water Systems of Geum-gang (River) in Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Cheon-Hyeon Kim, Min-Ah Hwang, Kyeong-Woo No, Jai-Dong Kim
    The Korean Journal of Parasitology.2021; 59(1): 23.     CrossRef
  • Prevalence and Infection Intensity of Zoonotic Trematode Metacercariae in Fish from Soyang-cheon (Stream), in Wanju-gun, Jeollabuk-do, Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Jung-Won Ju, Cheon-Hyeon Kim, Min-Ah Hwang, Kyeong-Woo No, Jong-Ho Park
    The Korean Journal of Parasitology.2021; 59(3): 265.     CrossRef
  • Survey of Zoonotic Trematode Metacercariae in Fish from Irrigation Canal of Togyo-jeosuji (Reservoir) in Cheorwon-gun, Gangwon-do, Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Hee Il Lee, Jung-Won Ju, Myoung-Ro Lee, Eun-Joo Lim, Sung Yong Son, Eunmi Ko, Jaeseok Choi
    The Korean Journal of Parasitology.2021; 59(4): 427.     CrossRef
  • Endemicity of Zoonotic Trematode Metacercariae in Fish from Deokcheon-gang (River) in Sancheong-gun, Gyeongsangnam-do, Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Hee Il Lee, Jung-Won Ju, Myoung-Ro Lee, Jeong-Gil Park, Jihee Ahn
    The Korean Journal of Parasitology.2021; 59(5): 523.     CrossRef
  • First case report of Metorchis orientalis from Black Swan
    Yuru Wang, Xin Li, Qingsong Sun, Pengtao Gong, Nan Zhang, Xichen Zhang, Xiaocen Wang, Guojiang Li, Jianhua Li
    International Journal for Parasitology: Parasites and Wildlife.2020; 13: 7.     CrossRef
  • Morphological and Molecular Characteristics of Clinostomid Metacercariae from Korea and Myanmar
    Eun Jeong Won, Yu Jeong Lee, Moon-Ju Kim, Jong-Yil Chai, Byoung-Kuk Na, Woon-Mok Sohn
    The Korean Journal of Parasitology.2020; 58(6): 635.     CrossRef
  • 6,048 View
  • 351 Download
  • 8 Web of Science
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Brief Communication

Molecular Prevalence and Genotypes of Cryptosporidium parvum and Giardia duodenalis in Patients with Acute Diarrhea in Korea, 2013-2016
Da-Won Ma, Myoung-Ro Lee, Sung-Hee Hong, Shin-Hyeong Cho, Sang-Eun Lee
Korean J Parasitol 2019;57(5):531-536.
Published online October 31, 2019
DOI: https://doi.org/10.3347/kjp.2019.57.5.531
Cryptosporidium parvum and Giardia duodenalis are the main diarrhea-causing parasitic pathogens; however, their prevalence in Korea is unknown. Here, we conducted a survey to determine the prevalence and genotype distribution of these 2 pathogens causing acute diarrhea in 8,571 patients hospitalized in 17 Regional Institute of Health Environment sites in Korea, during 2013-2016. C. parvum and G. duodenalis were detected and genotyped by nested PCR, and the isolate were molecularly characterized by sequencing the glycoprotein 60 (Gp60) and β-giardin genes, respectively. The overall prevalence of C. parvum and G. duodenalis was 0.37% (n=32) and 0.55% (n=47), respectively, and both pathogens were more prevalent in children under 9 years old. Molecular epidemiological analysis showed that the C. parvum isolates belonged to the IIa family and were subtyped as IIaA13G2R1, IIaA14G2R1, IIaA15G2R1, and IIaA18G3R1. Analysis of the β-giardin gene fragment from G. duodenalis showed that all positive strains belong to assemblage A. This is the first report on the molecular epidemiology and subtyping of C. parvum and G. duodenalis in such a large number of diarrheal patients in Korea. These results highlight the need for continuous monitoring of these zoonotic pathogens and provide a basis for implementing control and prevention strategies. Further, the results might be useful for epidemiological investigation of the source of outbreak.

Citations

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    Su Jin Park, Ju Hee Kim, Hyeon-Jeong Go, Nam Yee Kim, Sung Suck Oh, Young Woo Gong, MunJu Kwon, Jeong-An Gim, Soo-Son Lim
    Biomedical Science Letters.2025; 31(2): 218.     CrossRef
  • Cryptosporidium and cryptosporidiosis: An update of Asian perspectives in humans, water and food, 2015–2025
    Shahira Abdelaziz Ali Ahmed, Sonia Boughattas, Mohammad Reza Mahmoudi, Huma Khan, Simuzar Mamedova, Ardra Namboodiri, Frederick R. Masangkay, Panagiotis Karanis
    Current Research in Parasitology & Vector-Borne Diseases.2025; 8: 100311.     CrossRef
  • Detection and molecular characterization of Cryptosporidium spp. in dairy calves in Lisbon and Tagus Valley, Portugal
    Mariana Louro, Ricardo Bexiga, Isabel Pereira da Fonseca, Jacinto Gomes
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Original Articles

Infection Status with Clinostomum complanatum Metacercariae in Fish from Water Systems of Nakdong-gang (River) in Korea
Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho
Korean J Parasitol 2019;57(4):389-397.
Published online August 31, 2019
DOI: https://doi.org/10.3347/kjp.2019.57.4.389
The infection status of Clinostomum complanatum metacercariae (CcMc) was broadly surveyed in fishes from water systems of Nakdong-gang (River) in the Republic of Korea (Korea) for 5 years. All 4,468 fishes collected were individually examined by the artificial digestion methods. No CcMc were detected in fishes from Naeseongcheon in Yecheon-gun, Gigyecheon in Gyeongju-si, Gyeongsangbuk-do, and Hamancheon in Haman-gun, Gyeongsangnam-do. In fishes from Wicheon in Gunwi-gun, Gyeongsangbuk-do, CcMc were detected in 180 (15.4%) out of 1,168 fishes and their intensity was 5.8 per fish infected. The prevalences with CcMc in positive fish species from 3 other surveyed areas, i.e., Banbyeoncheon in Yeongyang-gun, Nakdong-gang in Sangju-si and Hoecheon in Goryeong-gun, in Gyeongsangbuk-do were 19.3%, 33.3%, and 19.0% and their intensities were 1.5, 17.6, and 2.6 per fish infected respectively. In fishes from Yangcheon in Sancheong-gun, Gyeongsangnam-do, CcMc were detected in 811 (45.6%) out of 1,779 fishes examined and their intensity was 9.8 per fish infected. The prevalence was most high in Squalidus spp. (97.7%) and followed by acheilognathinid fish (66.8%), Pungtungia herzi (52.0%), rasborinid fish (39.6%) and Hemibarbus spp. (25.9%) from Yangcheon. The intensity was also most high in Squalidus spp. (27.0). The endemicity with CcMc was very low in fishes from water systems of Nakdong-gang in the east coast of Korea. Conclusively, it is confirmed that various fish species act as the second intermediate hosts of C. complanatum, and the endemicities of CcMc are more or less different by the fish species and group from Yangcheon, in Sancheong-gun, Gyeongsangnam-do, Korea

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  • Survey of Zoonotic Trematode Metacercariae in Fish from Water Systems of Geum-gang (River) in Republic of Korea
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    The Korean Journal of Parasitology.2021; 59(1): 23.     CrossRef
  • Prevalence and Infection Intensity of Zoonotic Trematode Metacercariae in Fish from Soyang-cheon (Stream), in Wanju-gun, Jeollabuk-do, Korea
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  • Morphological and Molecular Characteristics of Clinostomid Metacercariae from Korea and Myanmar
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Infection Status with Clonorchis sinensis Metacercariae in Fish from Yangcheon (Stream) in Sancheong-gun, Gyeongsangnam-do, Korea
Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Jung-Won Ju
Korean J Parasitol 2019;57(2):145-152.
Published online April 30, 2019
DOI: https://doi.org/10.3347/kjp.2019.57.2.145
The infection status with Clonorchis sinensis metacercariae (CsMc) was examined in freshwater fishes from Yangcheon (a branch of Gyeongho-gang), which is located in Sancheong-gun, Gyeongsangnam-do, the Republic of Korea. Total 2,201 fishes in 26 species were examined by the artificial digestion method through 7 years. CsMc were detected in 1,171 (53.2%) fishes in 21 spp. (80.8%) and their density was 85 per fish infected. Total 532 (99.6%) out of 534 Pungtungia herzi (index fish) examined were infected with 147 CsMc per fish infected. Metacercarial densities in this fish were highest in 2015 (179 CsMc), followed by 2012 (168), 2013 (152), 2016 (145), 2014 (114), and 2017 (89) respectively. In the gobioninid fish group, i.e., P. herzi, Sarcocheilichthys spp., Squalidus spp., Pseudogobio esocinus, Hemibarbus longirostris, and Hemibarbus labeo, 841 (92.7%) fishes were infected with 117 CsMc per fish infected. Total 250 (54.7%) acheilognathinid fish (bitterlings), Acheilognathus spp. and Acanthorhodeus spp. were infected with 5.8 CsMc. In the rasborinid fish (chubs) group, i.e., Zacco platypus, Zacco temminckii, and Zacco koreanus, 77 (13.7%) out of 563 fish examined were infected with 2.4 CsMc in average. The susceptibility indices of CsMc were 49.09 in the overall positive fish group, 104.15 in the gobioninid group, 3.17 in the acheilognathinid group and 0.35 in the rasborinid fish group respectively. Only 1 CsMc was detected in 3 fish species, Coreoperca herzi, Channa argus, and Lepomis macrochirus, respectively. Conclusively, it was confirmed that CsMc are moderately prevalent in fishes from Yangcheon in Sancheon-gun, Gyeongsangnam-do, Korea.

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    The Korean Journal of Parasitology.2021; 59(1): 23.     CrossRef
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    The Korean Journal of Parasitology.2021; 59(3): 265.     CrossRef
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Brief Communication

Infection Status of Isthmiophora hortensis Metacercariae in Dark Sleepers, Odontobutis Species, from Some Water Systems of the Republic of Korea
Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Jung-Won Ju
Korean J Parasitol 2018;56(6):633-637.
Published online December 31, 2018
DOI: https://doi.org/10.3347/kjp.2018.56.6.633
Present study was performed to survey on infection status of Isthmiophora hortensis (formerly Echinostoma hortense) metacercariae (IhMc) in dark sleepers, Odontobutis spp., from some water systems of the Republic of Korea. A total of 237 Odontobutis spp. was collected in the water systems of 5 rivers, i.e., Mangyeong-gang (gang means river), Geum-gang, Tamjin-gang, Seomjin-gang, and Nakdong-gang. They were all examined with artificial digestion method for 5 years (2013-2017). A total of 137 (57.8%) Odontobutis spp. were infected with 14.8 IhMc in average. The prevalence was the highest in Nakdong-gang areas (62.9%) and followed by in Mangyeong-gang (57.1%), Geum-gang (56.3%), Tamjin-gang (54.8%), and Seomjin-gang (53.9%) areas. Metacercarial densities were 28.1 (Geum-gang), 13.9 (Mangyeong-gang), 13.3 (Nakdong-gang), 13.1 (Tamjin-gang), and 2.3 (Seomjin-gang) per infected fish. Especially, in case of Yugucheon (cheon means stream), a branch of Geum-gang, IhMc were detected in all fish (100%) examined and their density was about 48 per fish. By the present study, it was confirmed that the infection status of IhMc is more or less different by the surveyed areas and the dark sleepers, Odontobutis spp., are suitable fish hosts of I. hortensis.

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    The Korean Journal of Parasitology.2021; 59(1): 23.     CrossRef
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    The Korean Journal of Parasitology.2021; 59(4): 427.     CrossRef
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    The Korean Journal of Parasitology.2019; 57(4): 389.     CrossRef
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Original Article

Development of Molecular Diagnosis Using Multiplex Real-Time PCR and T4 Phage Internal Control to Simultaneously Detect Cryptosporidium parvum, Giardia lamblia, and Cyclospora cayetanensis from Human Stool Samples
Ji-Hun Shin, Sang-Eun Lee, Tong Soo Kim, Da-Won Ma, Shin-Hyeong Cho, Jong-Yil Chai, Eun-Hee Shin
Korean J Parasitol 2018;56(5):419-427.
Published online October 31, 2018
DOI: https://doi.org/10.3347/kjp.2018.56.5.419
This study aimed to develop a new multiplex real-time PCR detection method for 3 species of waterborne protozoan parasites (Cryptosporidium parvum, Giardia lamblia, and Cyclospora cayetanensis) identified as major causes of traveler’s diarrhea. Three target genes were specifically and simultaneously detected by the TaqMan probe method for multiple parasitic infection cases, including Cryptosporidium oocyst wall protein for C. parvum, glutamate dehydrogenase for G. lamblia, and internal transcribed spacer 1 for C. cayetanensis. Gene product 21 for bacteriophage T4 was used as an internal control DNA target for monitoring human stool DNA amplification. TaqMan probes were prepared using 4 fluorescent dyes, FAMTM, HEXTM, Cy5TM, and CAL Fluor Red® 610 on C. parvum, G. lamblia, C. cayetanensis, and bacteriophage T4, respectively. We developed a novel primer-probe set for each parasite, a primer-probe cocktail (a mixture of primers and probes for the parasites and the internal control) for multiplex real-time PCR analysis, and a protocol for this detection method. Multiplex real-time PCR with the primer-probe cocktail successfully and specifically detected the target genes of C. parvum, G. lamblia, and C. cayetanensis in the mixed spiked human stool sample. The limit of detection for our assay was 2×10 copies for C. parvum and for C. cayetanensis, while it was 2×103 copies for G. lamblia. We propose that the multiplex real-time PCR detection method developed here is a useful method for simultaneously diagnosing the most common causative protozoa in traveler’s diarrhea.

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Mini Review

Prevention and Control Strategies for Parasitic Infections in the Korea Centers for Disease Control and Prevention
Young Yil Bahk, Eun-Hee Shin, Shin-Hyeong Cho, Jung-Won Ju, Jong-Yil Chai, Tong-Soo Kim
Korean J Parasitol 2018;56(5):401-408.
Published online October 31, 2018
DOI: https://doi.org/10.3347/kjp.2018.56.5.401
Korea is successfully controlled intestinal parasitic infections owing to economic development and high health consciousness. The Division of Vectors and Parasitic Diseases (formerly the Division of Malaria and Parasitology) is in the Center for Laboratory Control of Infectious Diseases of the Korea Centers for Disease Control and Prevention. It has been the governmental agency responsible for controlling and leading scientific research on parasitic diseases. The Division of Vectors and Parasitic Diseases has conducted and funded basic research and disseminated the research results to various medical fields, ultimately promoting public health in Korea. Among the noteworthy achievements of this division are the national surveillance of healthcare-associated parasitic infections, prevention and control for parasitic infections, and the elimination of lymphatic filariasis from Korea. On a broader scale, the division’s research programs and academic supports were influential in preventing and treating infectious parasitic diseases through public policies and laws. In this review, we summarize the past and present role of the Division of Vectors and Parasitic Diseases in preventing and treating infectious parasitic diseases in Korea.

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Original Articles

Infection Status with Metagonimus spp. Metacercariae in Fishes from Seomjin-gang and Tamjin-gang in Republic of Korea
Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Jung-Won Ju, Cheon-Hyeon Kim, Ki-Bok Yoon
Korean J Parasitol 2018;56(4):351-358.
Published online August 31, 2018
DOI: https://doi.org/10.3347/kjp.2018.56.4.351
To grasp the infection status of Metagonimus spp. metacercariae (MsMc), the freshwater fishes were surveyed from Seomjin-gang (river) and Tamjin-gang in the Republic of Korea. Total 1,604 fishes from 7 local sites of Seomjin-gang and 1,649 fishes from 2 sites of Tamjin-gang were examined for 6 years (2012-2017) by the artificial digestion method. MsMc were detected in fishes from 7 sites, i.e., Osucheon in Imsil-gun (36.3% fish in 6 spp.), Seomjin-gang in Sunchanggun (49.8% in 18 spp.), Songdaecheon in Namwon-si (64.5% in 8 spp.), Seomjin-gang in Gokseong-gun (72.4% in 14 spp.) and in Gurye-gun (78.8% in 17 spp.), Hoengcheon (75.9% in 11 spp.) and Namsancheon (58.9% in 7 spp.) in Hadong-gun. Their average densities were 4.2, 86.8, 39.9, 43.1, 246.5, 173.6 and 67.5 per fish infected respectively. Prevalence with MsMc in rasborinid fish from Seomjin-gang was 89.2% and their intensity was 73.6 per fish infected. Endemicities of MsMc in rasborinid fish from Seomjin-gang were significantly higher in fishes from the lower reaches (prevalence: 98.7%; density: 137) rather than in fishes from the middle (93.5%; 38) and upper (72.4%; 13) reaches. MsMc were also detected in 56.1% and 66.4% fishes from 2 surveyed areas, i.e., the middle reaches in Jangheung-gun and the lower reaches in Gangjin-gun, of Tamjin-gang, and their densities were 147 and 121 per fish infected. In susceptible fishes from Tamjin-gang, the prevalence was 84.1% and density was 227 per fish infected. By the present study, it was confirmed that MsMc is highly prevalent in the fishes from Seomjin-gang and Tamjin-gang in Korea.

Citations

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  • Infection characteristics of Metagonimus species (Digenea: Heterophyidae) metacercariae in fish from major rivers of Korea
    Woon-Mok Sohn
    Parasites, Hosts and Diseases.2024; 62(1): 1.     CrossRef
  • Prevalence and Infection Intensity of Zoonotic Trematode Metacercariae in Fish from Soyang-cheon (Stream), in Wanju-gun, Jeollabuk-do, Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Jung-Won Ju, Cheon-Hyeon Kim, Min-Ah Hwang, Kyeong-Woo No, Jong-Ho Park
    The Korean Journal of Parasitology.2021; 59(3): 265.     CrossRef
  • Survey of Zoonotic Trematode Metacercariae in Fish from Irrigation Canal of Togyo-jeosuji (Reservoir) in Cheorwon-gun, Gangwon-do, Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Hee Il Lee, Jung-Won Ju, Myoung-Ro Lee, Eun-Joo Lim, Sung Yong Son, Eunmi Ko, Jaeseok Choi
    The Korean Journal of Parasitology.2021; 59(4): 427.     CrossRef
  • Endemicity of Zoonotic Trematode Metacercariae in Fish from Deokcheon-gang (River) in Sancheong-gun, Gyeongsangnam-do, Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Hee Il Lee, Jung-Won Ju, Myoung-Ro Lee, Jeong-Gil Park, Jihee Ahn
    The Korean Journal of Parasitology.2021; 59(5): 523.     CrossRef
  • Infections with Digenetic Trematode Metacercariae in Freshwater Fishes from Two Visiting Sites of Migratory Birds in Gyeongsangnam-do, Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na
    The Korean Journal of Parasitology.2019; 57(3): 273.     CrossRef
  • Infection Status with Clinostomum complanatum Metacercariae in Fish from Water Systems of Nakdong-gang (River) in Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho
    The Korean Journal of Parasitology.2019; 57(4): 389.     CrossRef
  • Infection Status with Digenetic Trematode Metacercariae in Fishes from Coastal Lakes in Gangwon-do, Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Soon-Won Lee
    The Korean Journal of Parasitology.2019; 57(6): 681.     CrossRef
  • 7,633 View
  • 100 Download
  • 7 Web of Science
  • Crossref
Infections with Centrocestus armatus Metacercariae in Fishes from Water Systems of Major Rivers in Republic of Korea
Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Jung-Won Ju, Cheon-Hyeon Kim, Ki-Bok Yoon, Jai-Dong Kim, Dong Cheol Son, Soon-Won Lee
Korean J Parasitol 2018;56(4):341-349.
Published online August 31, 2018
DOI: https://doi.org/10.3347/kjp.2018.56.4.341
The infection status of Centrocestus armatus metacercariae (CaMc) was broadly surveyed in freshwater fishes from major river systems in the Republic of Korea (Korea) during 2008-2017. A total of 14,977 fishes was caught and examined by the artificial digestion method. CaMc were detected in 3,818 (97.1%) (2,114 Z. platypus: 96.1% and 1,704 Z. temminckii: 98.4%) out of 3,932 Zacco spp. examined and their density was 1,867 (2,109 in Z. platypus and 1,567 in Z. temminckii) per fish infected. The prevalences with CaMc were high, 93.7-100%, in Zacco spp. from all surveyed areas. However, their densities were more or less different by the surveyed areas and fish species. They were most high in Nakdong-gang in Gyeongsangnam-do (4,201 in average), and followed by Geum-gang (2,343), Nakdong-gang in Gyeongsangbuk-do (1,623), Han-gang (1,564), Tamjin-gang and Yeongsan-gang (1,540), streams in the east coast (1,028), Seomjin-gang (488) and Mangyeong-gang (170). In another species of rasborinid fish, Opsariichthys uncirostris amurensis, CaMc were detected in 222 (74.8%) out of 297 ones examined and their density was 278 (1-4,480) per fish infected. CaMc were also detected in total 41 fish species except for the rasborinid fish, Z. platypus, Z. temminckii and O. uncirostris amurensis. Conclusively, it was confirmed that among the 3 species of rasborinid fish, Z. platypus and Z. temminckii are highly prevalent and O. uncirostris amurensis is moderately prevalent with CaMc. Additionally, we could know that variety of fish species act as the second intermediate hosts of C. armatus in Korea.

Citations

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  • Survey of Zoonotic Trematode Metacercariae in Fish from Water Systems of Geum-gang (River) in Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Cheon-Hyeon Kim, Min-Ah Hwang, Kyeong-Woo No, Jai-Dong Kim
    The Korean Journal of Parasitology.2021; 59(1): 23.     CrossRef
  • Prevalence and Infection Intensity of Zoonotic Trematode Metacercariae in Fish from Soyang-cheon (Stream), in Wanju-gun, Jeollabuk-do, Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Jung-Won Ju, Cheon-Hyeon Kim, Min-Ah Hwang, Kyeong-Woo No, Jong-Ho Park
    The Korean Journal of Parasitology.2021; 59(3): 265.     CrossRef
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    Maureen Duflot, Graziella Midelet, Odile Bourgau, Kurt Buchmann, Mélanie Gay
    Journal of Fish Diseases.2021; 44(11): 1777.     CrossRef
  • Survey of Zoonotic Trematode Metacercariae in Fish from Irrigation Canal of Togyo-jeosuji (Reservoir) in Cheorwon-gun, Gangwon-do, Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Hee Il Lee, Jung-Won Ju, Myoung-Ro Lee, Eun-Joo Lim, Sung Yong Son, Eunmi Ko, Jaeseok Choi
    The Korean Journal of Parasitology.2021; 59(4): 427.     CrossRef
  • Endemicity of Zoonotic Trematode Metacercariae in Fish from Deokcheon-gang (River) in Sancheong-gun, Gyeongsangnam-do, Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Hee Il Lee, Jung-Won Ju, Myoung-Ro Lee, Jeong-Gil Park, Jihee Ahn
    The Korean Journal of Parasitology.2021; 59(5): 523.     CrossRef
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    Antonino Pace, Ludovico Dipineto, Serena Aceto, Maria Concetta Censullo, Maria Carmen Valoroso, Lorena Varriale, Laura Rinaldi, Lucia Francesca Menna, Alessandro Fioretti, Luca Borrelli
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  • Effect of pollutants on biochemical properties of microorganisms
    Оксана Витальевна Бойко, Ю. И. Доценко, Н. И. Гудинская, В. И. Бойко, Р. И. Мухамедзянова, Д. М. Козак, Ф. С. Стенькин
    Hygiene and sanitation.2020; 99(4): 368.     CrossRef
  • Infection Status with Digenetic Trematode Metacercariae in Fishes from Coastal Lakes in Gangwon-do, Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Soon-Won Lee
    The Korean Journal of Parasitology.2019; 57(6): 681.     CrossRef
  • 9,511 View
  • 101 Download
  • 7 Web of Science
  • Crossref
Infections with Zoonotic Trematode Metacercariae in Yellowfin Goby, Acanthogobius flavimanus, from Coastal Areas of Republic of Korea
Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Jung-Won Ju, Soon-Won Lee, Won-Seok Seok
Korean J Parasitol 2018;56(3):259-265.
Published online June 30, 2018
DOI: https://doi.org/10.3347/kjp.2018.56.3.259
To investigate the infection status of zoonotic trematode metacercariae in yellowfin goby, Acanthogobius flavimanus, from coastal areas of the Republic of Korea (Korea), we examined total 344 gobies from 21 localities with an artificial digestion method from 2013 to 2017. The metacercariae of Stictodora lari were most frequently detected in 45.3% goby from 7 localities, i.e., Taean-gun (Chungcheongnam-do), Gochang-gun (Jeollabuk-do), Muan-gun, Shinan-gun, Haenam-gun (Jeollanam-do), Hadong-gun and Goseong-gun (Gyeongsangnam-do). Their infection rates were 90.0%, 66.7%, 46.7%, 8.0%, 3.3%, 26.7%, and 86.7% and intensities were 1,090, 6.2, 1.6 1.0, 2.0, 2.0, and 7.2 metacercariae per fish infected respectively. Heterophyopsis continua metacercariae were found in 38.2% goby from 6 localities, i.e., Gochang-gun, Muan-gun, Shinan-gun, Gangjin-gun, Boseong-gun (Jeollanam-do) and Goseong-gun, and their intensities were relatively low, 1-21 metacercariae. Stictodora fuscata metacercariae were detected in 61.3% goby from 4 localities, i.e., Taean-gun, Gochang-gun, Hadong-gun and Goseong-gun. Their infection rates were 90.0%, 53.3%, 5.9%, and 73.3% and intensities were 1,081, 3.1, 3.0, and 10.2 metacercariae per fish infected respectively. Heterophyes nocens metacercariae were found in 55.0% goby from Muan-gun and Shinan-gun. Total 3 metacercariae of Isthmiophora hortensis were detected in 2 (8.0%) gobies from Shinan-gun. Total 15 metacercariae of Centrocestus armatus were detected in 5 gobies (33.3%) from Gyeongpo-ho (ho means lake) in Gangneung-si, Gangwon-do. The present study suggests that yellowfin goby, A. flavimanus, acts as the infection sources of zoonotic intestinal flukes in western and southern coastal areas than in eastern coastal areas of Korea.

Citations

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  • High levels of metacercarial infestation (family: Diplostomidae) do not affect host energetics and swimming performance in the Epaulette goby (Coryogalops sordidus, Gobiidae)
    Hendrik D. du Toit, Gavin M. Rishworth, Nadine A. Strydom, Shaun Welman
    Journal of Fish Biology.2024; 104(4): 1165.     CrossRef
  • Infections with Digenetic Trematode Metacercariae in Freshwater Fishes from Two Visiting Sites of Migratory Birds in Gyeongsangnam-do, Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na
    The Korean Journal of Parasitology.2019; 57(3): 273.     CrossRef
  • Infection Status with Clinostomum complanatum Metacercariae in Fish from Water Systems of Nakdong-gang (River) in Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho
    The Korean Journal of Parasitology.2019; 57(4): 389.     CrossRef
  • Infection Status of Isthmiophora hortensis Metacercariae in Dark Sleepers, Odontobutis Species, from Some Water Systems of the Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Jung-Won Ju
    The Korean Journal of Parasitology.2018; 56(6): 633.     CrossRef
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  • 4 Web of Science
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Infection Status with Clonorchis sinensis Metacercariae in Fish from Tamjin-gang (River) in Jeollanam-do, Republic of Korea
Ki-Bok Yoon, Hyun-Cheol Lim, Doo Young Jeon, Sook Park, Shin-Hyeong Cho, Jung-Won Ju, Sung-Shik Shin, Byoung-Kuk Na, Woon-Mok Sohn
Korean J Parasitol 2018;56(2):183-188.
Published online April 30, 2018
DOI: https://doi.org/10.3347/kjp.2018.56.2.183
The present study was performed to investigate the infection status with Clonorchis sinensis metacercariae (CsMc) in fishes from 2 sites, the middle and lower reaches, of Tamjin-gang (River) in Jeollanam-do, the Republic of Korea. Total 1,132 fishes in 22 species were collected from the middle reaches in Jangheung-gun for 4 years (2014-2017) and 517 fishes in 17 species were also collected from the lower reaches in Gangjin-gun in 2014 and 2017. They were all individually examined with the artificial digestion method in our laboratory. CsMc were detected in 322 (28.5%) out of 1,132 fishes from Jangheung-gun, and in 161 (31.1%) out of 517 fishes from Gangjin-gun, and their densities were 51 and 57 per fish infected each. In the fish species with CsMc, positive rates were 61.5% in Jangheung-gun and 62.7% in Gangjin-gun. A total of 222 Pungtungia herzi were examined and they were all infected with CsMc. The average intensity was 103 CsMc in the index fish, P. herzi (95 in Jangheung-gun and 121 in Gangjin-gun). In P. herzi bimonthly examined in 2017, the intensity was commonly most higher in March in 2 surveyed sites, however the significant seasonal endemicity was not showed. Conclusively, it was confirmed that CsMc is more or less prevalent in fishes from Tamjin-gang and their endemicity is higher in fish from the lower reaches in Gangjin-gun than the middle reaches in Jangheung-gun in Jeollanam-do, Korea.

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    The Korean Journal of Parasitology.2022; 60(2): 79.     CrossRef
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    Parasitology.2022; 149(10): 1296.     CrossRef
  • Survey of Zoonotic Trematode Metacercariae in Fish from Water Systems of Geum-gang (River) in Republic of Korea
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    The Korean Journal of Parasitology.2021; 59(1): 23.     CrossRef
  • High Endemicity with Clonorchis sinensis Metacercariae in Fish from Yongjeon-cheon (Stream) in Cheongsong-gun, Gyeongsangbuk-do, Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Hee Il Lee, Myoung-Ro Lee, Jung-Won Ju, Gou Ok Kim
    The Korean Journal of Parasitology.2021; 59(1): 97.     CrossRef
  • Prevalence and Infection Intensity of Zoonotic Trematode Metacercariae in Fish from Soyang-cheon (Stream), in Wanju-gun, Jeollabuk-do, Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Jung-Won Ju, Cheon-Hyeon Kim, Min-Ah Hwang, Kyeong-Woo No, Jong-Ho Park
    The Korean Journal of Parasitology.2021; 59(3): 265.     CrossRef
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    The Korean Journal of Parasitology.2021; 59(4): 427.     CrossRef
  • Endemicity of Zoonotic Trematode Metacercariae in Fish from Deokcheon-gang (River) in Sancheong-gun, Gyeongsangnam-do, Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Hee Il Lee, Jung-Won Ju, Myoung-Ro Lee, Jeong-Gil Park, Jihee Ahn
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    The Korean Journal of Parasitology.2019; 57(2): 145.     CrossRef
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    Woon-Mok Sohn, Byoung-Kuk Na
    The Korean Journal of Parasitology.2019; 57(3): 273.     CrossRef
  • Infection Status with Clinostomum complanatum Metacercariae in Fish from Water Systems of Nakdong-gang (River) in Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho
    The Korean Journal of Parasitology.2019; 57(4): 389.     CrossRef
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    The Korean Journal of Parasitology.2019; 57(6): 681.     CrossRef
  • Infection Status with Metagonimus spp. Metacercariae in Fishes from Seomjin-gang and Tamjin-gang in Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Jung-Won Ju, Cheon-Hyeon Kim, Ki-Bok Yoon
    The Korean Journal of Parasitology.2018; 56(4): 351.     CrossRef
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    The Korean Journal of Parasitology.2018; 56(5): 509.     CrossRef
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Prevalence and Intensity of Clonorchis sinensis Metacercariae in Freshwater Fish from Wicheon Stream in Gunwi-gun, Gyeongsangbuk-do, Korea
Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Jung-Won Ju, Dong-Chul Son
Korean J Parasitol 2018;56(1):41-48.
Published online February 28, 2018
DOI: https://doi.org/10.3347/kjp.2018.56.1.41
The infection status of Clonorchis sinensis metacercariae (CsMc) was examined in freshwater fish from a highly prevalent site, Wicheon (a branch of Nakdong-gang), which is located in Gunwi-gun, Gyeongsangbuk-do, the Republic of Korea. Total 1,162 fish in 32 species were examined by the artificial digestion method through 6 years. CsMc were detected in 720 (67.5%) out of 1,067 fish (26 spp.) and their density was 610 per fish infected. In the susceptible gobioninid fish group, i.e., Pungtungia herzi, Squalidus gracilis majimae, Squalidus japonicus coreanus, Sarcocheilichthys variegatus wakiyae and Pseudorasbora parva, all of 323 fish were infected with an average of 1,310 CsMc. Total 23 (95.8%) gobioninid fish, i.e., Pseudogobio esocinus, Abbottina springeri, Hemibarbus longirostris, Microphysogobio koreensis, and Microphysogobio jeoni, were infected with 127 CsMc in average. In the acheilognathinid fish (bitterlings) group, the prevalence was 77.0%, and the density was 50 CsMc per fish infected. In the rasborinid fish (chubs) group, i.e., Zacco platypus, Zacco temminckii, Zacco koreanus, and Opsariichthys uncirostris amurensis, 147 (36.5%) out of 403 fish examined were infected with 15 CsMc in average. The susceptibility indices of CsMc were 412 in the overall positive fish group, 1,310 in the gobioninid group-1, 122 in the gobioninid group-2, 38.5 in the acheilognathinid group, and 5.5 in the rasborinid fish group. Conclusively, it was confirmed that CsMc are highly prevalent in fish from Wicheon, and their infection tendency varied according to the subfamily groups in Cyprinidae fish hosts.

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    International Journal for Parasitology: Parasites and Wildlife.2022; 18: 52.     CrossRef
  • Infection Characteristics of Clonorchis sinensis Metacercariae in Fish from Republic of Korea
    Woon-Mok Sohn
    The Korean Journal of Parasitology.2022; 60(2): 79.     CrossRef
  • Current status of Clonorchis sinensis and clonorchiasis in Korea: epidemiological perspectives integrating the data from human and intermediate hosts
    Won Gi Yoo, Woon-Mok Sohn, Byoung-Kuk Na
    Parasitology.2022; 149(10): 1296.     CrossRef
  • High Endemicity with Clonorchis sinensis Metacercariae in Fish from Yongjeon-cheon (Stream) in Cheongsong-gun, Gyeongsangbuk-do, Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Hee Il Lee, Myoung-Ro Lee, Jung-Won Ju, Gou Ok Kim
    The Korean Journal of Parasitology.2021; 59(1): 97.     CrossRef
  • Survey of Zoonotic Trematode Metacercariae in Fish from Water Systems of Geum-gang (River) in Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Cheon-Hyeon Kim, Min-Ah Hwang, Kyeong-Woo No, Jai-Dong Kim
    The Korean Journal of Parasitology.2021; 59(1): 23.     CrossRef
  • Prevalence and Infection Intensity of Zoonotic Trematode Metacercariae in Fish from Soyang-cheon (Stream), in Wanju-gun, Jeollabuk-do, Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Jung-Won Ju, Cheon-Hyeon Kim, Min-Ah Hwang, Kyeong-Woo No, Jong-Ho Park
    The Korean Journal of Parasitology.2021; 59(3): 265.     CrossRef
  • Novel mechanism of hepatobiliary system damage and immunoglobulin G4 elevation caused by Clonorchis sinensis infection
    Xin-He Zhang, Die Huang, Yi-Ling Li, Bing Chang
    World Journal of Clinical Cases.2021; 9(23): 6639.     CrossRef
  • Survey of Zoonotic Trematode Metacercariae in Fish from Irrigation Canal of Togyo-jeosuji (Reservoir) in Cheorwon-gun, Gangwon-do, Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Hee Il Lee, Jung-Won Ju, Myoung-Ro Lee, Eun-Joo Lim, Sung Yong Son, Eunmi Ko, Jaeseok Choi
    The Korean Journal of Parasitology.2021; 59(4): 427.     CrossRef
  • Endemicity of Zoonotic Trematode Metacercariae in Fish from Deokcheon-gang (River) in Sancheong-gun, Gyeongsangnam-do, Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Hee Il Lee, Jung-Won Ju, Myoung-Ro Lee, Jeong-Gil Park, Jihee Ahn
    The Korean Journal of Parasitology.2021; 59(5): 523.     CrossRef
  • Liver fluke infections by Amphimerus sp. (Digenea: Opisthorchiidae) in definitive and fish intermediate hosts in Manabí province, Ecuador
    Daniel Romero-Alvarez, Gabriela Valverde-Muñoz, Manuel Calvopina, Maira Rojas, William Cevallos, Hideo Kumazawa, Hidekazu Takagi, Hiromu Sugiyama, jong-Yil Chai
    PLOS Neglected Tropical Diseases.2020; 14(6): e0008286.     CrossRef
  • Investigation and research of Clonorchis sinensis metacercariae and Metorchis orientalis metacercariae infection in freshwater fishes in China from 2015 to 2017
    Shuran Yang, Xiaoyan Pei, Shuoyan Yin, Xiaojie Yu, Lingling Mei, Wei Zhao, Hui Liang, Qizhi Wang, Dajin Yang
    Food Control.2019; 104: 115.     CrossRef
  • Infection Status with Clinostomum complanatum Metacercariae in Fish from Water Systems of Nakdong-gang (River) in Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho
    The Korean Journal of Parasitology.2019; 57(4): 389.     CrossRef
  • Infection Status with Clonorchis sinensis Metacercariae in Fish from Tamjin-gang (River) in Jeollanam-do, Republic of Korea
    Ki-Bok Yoon, Hyun-Cheol Lim, Doo Young Jeon, Sook Park, Shin-Hyeong Cho, Jung-Won Ju, Sung-Shik Shin, Byoung-Kuk Na, Woon-Mok Sohn
    The Korean Journal of Parasitology.2018; 56(2): 183.     CrossRef
  • Infections with Digenean Trematode Metacercariae in Two Invasive Alien Fish, Micropterus salmoides and Lepomis macrochirus, in Two Rivers in Chungcheongbuk-do, Republic of Korea
    Seongjun Choe, Hansol Park, Dongmin Lee, Yeseul Kang, Hyeong-Kyu Jeon, Keeseon S. Eom
    The Korean Journal of Parasitology.2018; 56(5): 509.     CrossRef
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Brief Communication

Intestinal Parasite Infections among Inhabitants in Yanbian Prefecture, Jilin Province, China
Myoung-Ro Lee, Hee-Eun Shin, Byung-Suk Chung, Sang-Eun Lee, Jung-Won Ju, Liji Xu, Chen Long Nan, Mi-Yeoun Park, Shin-Hyeong Cho
Korean J Parasitol 2017;55(5):579-582.
Published online October 31, 2017
DOI: https://doi.org/10.3347/kjp.2017.55.5.579
To investigate the prevalence of intestinal parasite infections in Yanbian Prefecture, Jilin Province, China, epidemiological surveys were conducted on a collaboration basis between the Korean Centers for Disease Control and Prevention and the Yanbian Center for Disease Control and Prevention. A total of 8,396 (males 3,737 and females 4,659) stool samples were collected from 8 localities and examined with the formalin-ether sedimentation technique, and additionally examined with the cellotape anal swab to detect Enterobius vermicularis eggs. The overall rate of intestinal parasites was 1.57%. The prevalence of Ascaris lumbricoides was the highest (0.80%), followed by Entamoeba spp. (0.23%), heterophyid flukes (0.15%), Clonorchis sinensis (0.08%), Enterobius vermicularis (0.07%), hookworms (0.06%), Trichostrongylus spp. (0.06%), Giardia lamblia (0.04%), Paragonimus spp. (0.02%), Diphyllobothrium spp. (0.02%), Trichuris trichiura (0.02%). The prevalence by sex was similar, 1.58% (n=59) in males and 1.57% (n=73) in females. By the present study, it is partly revealed that the prevalences of intestinal parasite infections are relatively low among the inhabitants of Yanbian Prefecture, Jilin Province, China.

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    Sitong Ai, Zhichao Zhang, Jinghan Wang, Xiaoqi Wang, Cheng Liu, Ziyuan Duan
    Veterinary Medicine and Science.2023; 9(6): 2693.     CrossRef
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Original Articles

Prevalence and Density of Digenetic Trematode Metacercariae in Clams and Oysters from Western Coastal Regions of the Republic of Korea
Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Won-Ja Lee
Korean J Parasitol 2017;55(4):399-408.
Published online August 31, 2017
DOI: https://doi.org/10.3347/kjp.2017.55.4.399
A survey was performed to know the recent infection status of digenetic trematode metacercariae in clams and oysters from 4 sites in western coastal regions of the Republic of Korea (=Korea). Four species of clams (Mactra veneriformis, Ruditapes philippinarum, Cyclina sinensis, and Saxidomus purpuratus) were collected from Taean-gun, Chungcheongnam-do (Province), Buan-gun (County) and Gochang-gun, Jeollabuk-do, and oysters, Crassostrea gigas, from Shinan-gun, Jeollanam-do were transferred to our laboratory on ice and examined by the artificial digestion method. The metacercariae of Himasthla alincia were detected in 3 species of clams, M. veneriformis, R. philippinarum, and C. sinensis from the 3 surveyed areas. The positive rate and the mean density per clam infected were 98.9% (30.8 metacercariae) in M. veneriformis, 60.0% (5.0) in R. philippinarum, and 96.0% (28.4) in C. sinensis. The positive rate (mean density) of Acanthoparyphium tyosenense metacercariae in M. veneriformis was 50.0% (2.1) from Taean-gun and 70.0% (2.8) from Gochang-gun. The metacercariae of Parvatrema spp. were detected in M. veneriformis and R. philippinarum from Taean-gun and Gochang-gun; the positive rate (mean density) was 63.3% (4,123) and 50.0% (19) in M. veneriformis, and 6.7% (126) and 100% (238) in R. philippinarum from the 2 regions, respectively. The metacercariae of Gymnophalloides seoi were detected in all 30 oysters from Shinan-gun, and their average density per oyster was 646. From the above results, it has been confirmed that more than 3 species of metacercariae are prevalent in clams from the western coastal regions, and G. seoi metacercariae are still prevalent in oysters from Shinan-gun, Jeollanam-do, Korea

Citations

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  • Survey of trematodes in Manila clam Ruditapes philippinarum on the west coast of Korea: A preliminary study
    Cuong Thanh Le, Hee-Do Jeung, Young-Ghan Cho, Kwang-Sik Choi
    Journal of Invertebrate Pathology.2024; 206: 108172.     CrossRef
  • Infection of Mytilus Galloprovincialis By the Trematode Parvatrema Sp. (Digenea: Gymnophallidae) in the Middle Adriatic Sea, Croatia
    Sanja Puljas, Jelena Burazin
    Thalassas: An International Journal of Marine Sciences.2022; 38(2): 745.     CrossRef
  • Effects of larval trematode parasitism on the reproductive capacity of Manila clam Ruditapes philippinarum in a sandy-mud tidal flat on the west coast of Korea
    Young-Ghan Cho, Hye-Mi Lee, Jeong-Hwa Kim, Jong-Seop Shin, Hee-Do Jeung, Kwang-Sik Choi
    Frontiers in Marine Science.2022;[Epub]     CrossRef
  • Ruditapes philippinarum (Japanese carpet shell)
    Vicki Bonham, John Humphreys, Ningsheng Yang, Ouyang Haiying, Yan Caiping
    CABI Compendium.2022;[Epub]     CrossRef
  • Parvatrema duboisi (Digenea: Gymnophallidae) Life Cycle Stages in Manila Clams, Ruditapes philippinarum, from Aphae-do (Island), Shinan-gun, Korea
    Bong-Kwang Jung, Taehee Chang, Hyejoo Shin, Seungwan Ryoo, Sooji Hong, Jeonggyu Lee, Hyemi Song, Jaeeun Cho, Deok-Gyu Kim, Hojong Jun, Min-Jae Kim, Eun Jeong Won, Eun-Taek Han, Eun-Hee Shin, Jong-Yil Chai
    The Korean Journal of Parasitology.2021; 59(1): 83.     CrossRef
  • Morphological and Molecular Confirmation of Parvatrema duboisi Metacercariae in the Manila Clam Ruditapes philippinarum from Gochang-gun, Korea
    Taehee Chang, Bong-Kwang Jung, Hyejoo Shin, Sooji Hong, Jeonggyu Lee, Deok-Gyu Kim, Laddawan Patarwut, Woon-Mok Sohn, Jong-Yil Chai
    The Korean Journal of Parasitology.2020; 58(1): 87.     CrossRef
  • Infections with Digenetic Trematode Metacercariae in Freshwater Fishes from Two Visiting Sites of Migratory Birds in Gyeongsangnam-do, Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na
    The Korean Journal of Parasitology.2019; 57(3): 273.     CrossRef
  • Gonad Status and Gene Expression of the Manila Clam Ruditapes philippinarum Infected by a Digenetic Trematode
    Xiangyu Meng, Yue Tan, Wenwen Yang, Golam Rbbani, Xiwu Yan, Lei Fang, Zhongming Huo
    Journal of Shellfish Research.2019; 38(2): 271.     CrossRef
  • Infection Status with Clinostomum complanatum Metacercariae in Fish from Water Systems of Nakdong-gang (River) in Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho
    The Korean Journal of Parasitology.2019; 57(4): 389.     CrossRef
  • Survey of Gymnophalloides seoi Metacercariae in Natural and Cultured Oysters from Several Western Coastal Areas, Korea
    Taehee Chang, Bong-Kwang Jung, Hyemi Song, Jaeeun Cho, Sooji Hong, Keon-Hoon Lee, Eui-Hyug Hoang, Jisu Kang, Jini Lim, Hana Lee, Jong-Yil Chai
    The Korean Journal of Parasitology.2019; 57(6): 705.     CrossRef
  • 9,428 View
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Prevalence of Clonorchis sinensis Metacercariae in Fish from Water Systems of Seomjin-gang (River)
Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Mi-Yeoun Park, Cheon-Hyeon Kim, Min-Ah Hwang, Kyeong-Woo No, Ki-Bok Yoon, Hyun-Cheol Lim
Korean J Parasitol 2017;55(3):305-312.
Published online June 30, 2017
DOI: https://doi.org/10.3347/kjp.2017.55.3.305
The prevalence of Clonorchis sinensis metacercariae (CsMc) was examined in freshwater fish from the water systems of Seomjin-gang (River), the Republic of Korea. Total 1,604 fish from 7 local sites of Seomjin-gang were examined by artificial digestion methods. The metacercariae of C. sinensis were detected in 102 (39.8%) out of 256 fish (14 species) from the upper reaches of Seomjin-gang, i.e., Osucheon (22.3% in 6 fish species) in Imsil-gun, and Seomjin-gang (63.9% in 9 fish species) in Sunchang-gun, Jeollabuk-do. Their average density was 9.0 per infected fish. They were also found in 132 (48.0%) out of 275 fish (12 spp.) from the middle reaches of Seomjin-gang, i.e., Songdaecheon (58.9% in 4 fish species) in Namwon-si, Jeollabuk-do, and Seomjin-gang (45.2% in 10 fish species) in Gokseong-gun, Jeollanam-do. Their average density was 21.0 per infected fish. CsMc were detected in 77 (56.6%) out of 136 fish (11 species) from the lower reaches of Seomjin-gang, i.e., Seomjin-gang (73.3% in 11 fish species) in Gurye-gun, Jeollanam-do, and Namsancheon (8.6% in 1 fish species) in Hadong-gun, Gyeongsangnam-do. Their average density was 64.9 per infected fish. The metacercariae of Metorchis orientalis were also detected in 6 fish species from 4 sites of Seomjin-gang. Conclusively, it has been confirmed that CsMc are more or less prevalent in fish from some water systems of Seomjin-gang in Korea.

Citations

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  • Re‐evaluation of certain aspects of the EFSA Scientific Opinion of April 2010 on risk assessment of parasites in fishery products, based on new scientific data. Part 2
    Ana Allende, Avelino Alvarez‐Ordóñez, Valeria Bortolaia, Sara Bover‐Cid, Alessandra De Cesare, Wietske Dohmen, Laurent Guillier, Lieve Herman, Liesbeth Jacxsens, Maarten Nauta, Lapo Mughini‐Gras, Jakob Ottoson, Luisa Peixe, Fernando Perez‐Rodriguez, Panag
    EFSA Journal.2024;[Epub]     CrossRef
  • Infection Characteristics of Clonorchis sinensis Metacercariae in Fish from Republic of Korea
    Woon-Mok Sohn
    The Korean Journal of Parasitology.2022; 60(2): 79.     CrossRef
  • Current status of Clonorchis sinensis and clonorchiasis in Korea: epidemiological perspectives integrating the data from human and intermediate hosts
    Won Gi Yoo, Woon-Mok Sohn, Byoung-Kuk Na
    Parasitology.2022; 149(10): 1296.     CrossRef
  • Survey of Zoonotic Trematode Metacercariae in Fish from Water Systems of Geum-gang (River) in Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Cheon-Hyeon Kim, Min-Ah Hwang, Kyeong-Woo No, Jai-Dong Kim
    The Korean Journal of Parasitology.2021; 59(1): 23.     CrossRef
  • High Endemicity with Clonorchis sinensis Metacercariae in Fish from Yongjeon-cheon (Stream) in Cheongsong-gun, Gyeongsangbuk-do, Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Hee Il Lee, Myoung-Ro Lee, Jung-Won Ju, Gou Ok Kim
    The Korean Journal of Parasitology.2021; 59(1): 97.     CrossRef
  • Prevalence and Infection Intensity of Zoonotic Trematode Metacercariae in Fish from Soyang-cheon (Stream), in Wanju-gun, Jeollabuk-do, Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Jung-Won Ju, Cheon-Hyeon Kim, Min-Ah Hwang, Kyeong-Woo No, Jong-Ho Park
    The Korean Journal of Parasitology.2021; 59(3): 265.     CrossRef
  • Survey of Zoonotic Trematode Metacercariae in Fish from Irrigation Canal of Togyo-jeosuji (Reservoir) in Cheorwon-gun, Gangwon-do, Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Hee Il Lee, Jung-Won Ju, Myoung-Ro Lee, Eun-Joo Lim, Sung Yong Son, Eunmi Ko, Jaeseok Choi
    The Korean Journal of Parasitology.2021; 59(4): 427.     CrossRef
  • Endemicity of Zoonotic Trematode Metacercariae in Fish from Deokcheon-gang (River) in Sancheong-gun, Gyeongsangnam-do, Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Hee Il Lee, Jung-Won Ju, Myoung-Ro Lee, Jeong-Gil Park, Jihee Ahn
    The Korean Journal of Parasitology.2021; 59(5): 523.     CrossRef
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    Sharmin S. Labony, M. Abdul Alim, Muhammad Mehedi Hasan, Md. Shahadat Hossain, Ausraful Islam, Mohammad Zahangir Alam, Naotoshi Tsuji, Anisuzzaman
    Pathogens and Global Health.2020; 114(2): 91.     CrossRef
  • Investigation and research of Clonorchis sinensis metacercariae and Metorchis orientalis metacercariae infection in freshwater fishes in China from 2015 to 2017
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    Food Control.2019; 104: 115.     CrossRef
  • Infection Status with Clonorchis sinensis Metacercariae in Fish from Yangcheon (Stream) in Sancheong-gun, Gyeongsangnam-do, Korea
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    The Korean Journal of Parasitology.2019; 57(2): 145.     CrossRef
  • Infections with Digenetic Trematode Metacercariae in Freshwater Fishes from Two Visiting Sites of Migratory Birds in Gyeongsangnam-do, Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na
    The Korean Journal of Parasitology.2019; 57(3): 273.     CrossRef
  • Infection Status with Clinostomum complanatum Metacercariae in Fish from Water Systems of Nakdong-gang (River) in Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho
    The Korean Journal of Parasitology.2019; 57(4): 389.     CrossRef
  • Infection Status with Digenetic Trematode Metacercariae in Fishes from Coastal Lakes in Gangwon-do, Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Soon-Won Lee
    The Korean Journal of Parasitology.2019; 57(6): 681.     CrossRef
  • Prevalence and Intensity of Clonorchis sinensis Metacercariae in Freshwater Fish from Wicheon Stream in Gunwi-gun, Gyeongsangbuk-do, Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Jung-Won Ju, Dong-Chul Son
    The Korean Journal of Parasitology.2018; 56(1): 41.     CrossRef
  • Infection Status with Clonorchis sinensis Metacercariae in Fish from Tamjin-gang (River) in Jeollanam-do, Republic of Korea
    Ki-Bok Yoon, Hyun-Cheol Lim, Doo Young Jeon, Sook Park, Shin-Hyeong Cho, Jung-Won Ju, Sung-Shik Shin, Byoung-Kuk Na, Woon-Mok Sohn
    The Korean Journal of Parasitology.2018; 56(2): 183.     CrossRef
  • Infection Status with Metagonimus spp. Metacercariae in Fishes from Seomjin-gang and Tamjin-gang in Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Jung-Won Ju, Cheon-Hyeon Kim, Ki-Bok Yoon
    The Korean Journal of Parasitology.2018; 56(4): 351.     CrossRef
  • Infections with Digenean Trematode Metacercariae in Two Invasive Alien Fish, Micropterus salmoides and Lepomis macrochirus, in Two Rivers in Chungcheongbuk-do, Republic of Korea
    Seongjun Choe, Hansol Park, Dongmin Lee, Yeseul Kang, Hyeong-Kyu Jeon, Keeseon S. Eom
    The Korean Journal of Parasitology.2018; 56(5): 509.     CrossRef
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  • 142 Download
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Brief Communication

Serological and Molecular Detection of Toxoplasma gondii and Babesia microti in the Blood of Rescued Wild Animals in Gangwon-do (Province), Korea
Sung-Hee Hong, Hee-Jong Kim, Young-Il Jeong, Shin-Hyeong Cho, Won-Ja Lee, Jong-Tak Kim, Sang-Eun Lee
Korean J Parasitol 2017;55(2):207-212.
Published online April 30, 2017
DOI: https://doi.org/10.3347/kjp.2017.55.2.207
Infections of Toxoplasma gondii and Babesia microti are reported in many wild animals worldwide, but information on their incidence and molecular detection in Korean wild fields is limited. In this study, the prevalence of T. gondii and B. microti infection in blood samples of 5 animal species (37 Chinese water deer, 23 raccoon dogs, 6 roe deer, 1 wild boar, and 3 Eurasian badgers) was examined during 2008-2009 in Gangwon-do (Province), the Republic of Korea (=Korea) by using serological and molecular tests. The overall seropositivity of T. gondii was 8.6% (6/70); 10.8% in Chinese water deer, 4.3% in raccoon dogs, and 16.7% in roe deer. PCR revealed only 1 case of T. gondii infection in Chinese water deer, and phylogenic analysis showed that the positive isolate was practically identical to the highly pathogenetic strain type I. In B. microti PCR, the positive rate was 5.7% (4/70), including 2 Chinese water deer and 2 Eurasian badgers. Phylogenetic analysis results of 18S rRNA and the β-tubulin gene showed that all positive isolates were US-type B. microti. To our knowledge, this is the first report of B. microti detected in Chinese water deer and Eurasian badger from Korea. These results indicate a potentially high prevalence of T. gondii and B. microti in wild animals of Gangwon-do, Korea. Furthermore, Chinese water deer might act as a reservoir for parasite infections of domestic animals.

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Original Articles

Pygidiopsis summa (Digenea: Heterophyidae): Status of Metacercarial Infection in Mullets from Coastal Areas in the Republic of Korea
Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Won-Ja Lee, Mi-Yeoun Park, Soon-Won Lee, Seung-Bong Choi, Beom-Nyung Huh, Won-Seok Seok
Korean J Parasitol 2016;54(4):497-502.
Published online August 31, 2016
DOI: https://doi.org/10.3347/kjp.2016.54.4.497
To know the infection status of zoonotic trematode metacercariae in brackish water fish, we surveyed mullets collected from 18 coastal areas in the Republic of Korea. The metacercariae of Pygidiopsis summa were detected in 236 (68.2%) out of 346 mullets examined. They were found in mullets from 15 areas except for those from Boseong-gun (Jeollanam-do), Pohang-si, and Uljin-gun (Gyeongsangbuk-do). Especially in mullets from Taean-gun (Chungcheongnam-do) and Geoje-si (Gyeongsangnam-do), their prevalences were 100% and 95.5%, and the average metacercarial density was more than 1,000 per fish. They were also detected in mullets from 3 coastal lakes, Gyeongpoho, Songjiho, and Hwajinpoho, in Gangwon-do, and their average densities were 419, 147, and 672 per infected fish, respectively. The metacercariae of 5 other heterophyid species, including Heterophyes nocens, Heterophyopsis continua, Metagonimus sp., Stictodora fuscata, and Stictodora lari, were found in the mullets examined. The metacercariae of H. nocens were detected in 66.7, 100, 28.6, 81.6, 3.9, 61.5, and 27.3% of mullets from Muan-gun, Shinan-gun, Haenam-gun, Gangjin-gun, and Boseong-gun (Jeollanam-do), Hadong-gun, and Geoje-si (Gyeongsangnam-do), and their metacercarial intensities were 64, 84, 119, 99, 1, 24, and 24 per fish infected, respectively. From the above results, it has been confirmed that P. summa metacercariae are heavily infected in mullets from coastal areas of Korea. It is suggested that residents who frequently consume raw mullet dish can be easily infected with heterophyid flukes.

Citations

Citations to this article as recorded by  Crossref logo
  • Infection Status with Digenetic Trematode Metacercariae in Fishes from Coastal Lakes in Gangwon-do, Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Soon-Won Lee
    The Korean Journal of Parasitology.2019; 57(6): 681.     CrossRef
  • Infections with Zoonotic Trematode Metacercariae in Yellowfin Goby, Acanthogobius flavimanus, from Coastal Areas of Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Jung-Won Ju, Soon-Won Lee, Won-Seok Seok
    The Korean Journal of Parasitology.2018; 56(3): 259.     CrossRef
  • Fishborne zoonotic heterophyid infections: An update
    Jong-Yil Chai, Bong-Kwang Jung
    Food and Waterborne Parasitology.2017; 8-9: 33.     CrossRef
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  • 2 Web of Science
  • Crossref
Effective High-Throughput Blood Pooling Strategy before DNA Extraction for Detection of Malaria in Low-Transmission Settings
Myat Htut Nyunt, Myat Phone Kyaw, Kyaw Zin Thant, Thinzer Shein, Soe Soe Han, Ni Ni Zaw, Jin-Hee Han, Seong-Kyun Lee, Fauzi Muh, Jung-Yeon Kim, Shin-Hyeong Cho, Sang-Eun Lee, Eun-Jeong Yang, Chulhun L. Chang, Eun-Taek Han
Korean J Parasitol 2016;54(3):253-259.
Published online June 30, 2016
DOI: https://doi.org/10.3347/kjp.2016.54.3.253
In the era of (pre) elimination setting, the prevalence of malaria has been decreasing in most of the previously endemic areas. Therefore, effective cost- and time-saving validated pooling strategy is needed for detection of malaria in low transmission settings. In this study, optimal pooling numbers and lowest detection limit were assessed using known density samples prepared systematically, followed by genomic DNA extraction and nested PCR. Pooling strategy that composed of 10 samples in 1 pool, 20 ?l in 1 sample, was optimal, and the parasite density as low as 2 p/?l for both falciparum and vivax infection was enough for detection of malaria. This pooling method showed effectiveness for handling of a huge number of samples in low transmission settings (<9% positive rate). The results indicated that pooling of the blood samples before DNA extraction followed by usual nested PCR is useful and effective for detection of malaria in screening of hidden cases in low-transmission settings.

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    Seong-Kyun Lee, Fengyue Hu, Egy Rahman Firdaus, Ji-Hoon Park, Jin-Hee Han, Sang-Eun Lee, Hyun-Il Shin, Shin Hyeong Cho, Won Sun Park, Feng Lu, Eun-Taek Han
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Brief Communication

Prevalence of Clonorchis sinensis Infection among Residents along 5 Major Rivers in the Republic of Korea
Young-Il Jeong, Hee-Eun Shin, Sang-Eun Lee, Hyeng-Il Cheun, Jung-Won Ju, Jung-Yeon Kim, Mi Yeoun Park, Shin-Hyeong Cho
Korean J Parasitol 2016;54(2):215-219.
Published online April 30, 2016
DOI: https://doi.org/10.3347/kjp.2016.54.2.215
Clonorchis sinensis is currently the most important parasite affecting public health problems in the Republic of Korea. We investigated the prevalence of C. sinensis infection among residents living along 5 major rivers in Korea. A total of 42,562 individual stool samples were collected from 37 localities and examined using the formalin-ether sedimentation technique. Helminth eggs were detected in 4,052 (9.5%) residents and 3,586 (8.4%) were infected with C. sinensis. The egg positive rate of C. sinensis in Nakdong, Seomjin, Geum, Yeongsan, and Han River was 11.7%, 9.9%, 6.5%, 3.1%, and 1.0%, respectively. The overall prevalence of clonorchiasis by sex was 11.2% in males and 6.2% in females. The age-prevalence was the highest in the 50-59 years band. It has been reconfirmed that the endemicity of clonorchiasis is higher in southern areas of Korea, especially along Nakdong and Seomjin Rivers. A combination of continuous control programs with health education initiatives is urgently required in these highly endemic areas of clonorchiasis in Korea.

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Original Articles

Trematode Metacercariae in Freshwater Fish from Water Systems of Hantangang and Imjingang in Republic of Korea
Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Soon-Won Lee, Seung-Bong Choi, Won-Seok Seok
Korean J Parasitol 2015;53(3):289-298.
Published online June 30, 2015
DOI: https://doi.org/10.3347/kjp.2015.53.3.289
The infection status of freshwater fish with digenetic trematode metacercariae was examined in water systems of Hantangang and Imjingang (River), the Republic of Korea. A total of 877 (594 from Hantangang and 283 from Imjingang) fishes were examined by the artificial digestion methods. Clonorchis sinensis metacercariae were detected in 7 (1.2%) fishes (in 3 spp.) from Hantangang in Cheorwon-gun, Gangwon-do, and 40 (14.1%) fishes (in 7 spp.) from Munsancheon in Paju-si, Gyeonggi-do. The average densities were 1.9 and 35.6 per fish infected, respectively. Metagonimus spp. metacercariae were detected in 312 (52.5%) and 113 (39.9%) fishes from Hantangang and Imjingang, and their average densities were 47.5 and 9.6 per fish infected, respectively. Centrocestus armatus metacercariae were found in 161 (27.1%) and 70 (24.7%) fishes from Hantangang and Imjingang, and their average number per fish infected was 694 and 82, respectively. Echinostoma spp. metacercariae were detected in 50 (8.4%) and 94 (33.2%) fishes from Hantangang and Imjingang, and their average densities were 9.6 and 23.1 per fish infected, respectively. The infection status of fishes with metacercariae of Stephanoprora spp., Diplostomum spp., Clinostomum complanatum, Metorchis orientalis, and Metorchis taiwanensis were analyzed by surveyed regions. Conclusively, it was confirmed that C. sinensis metacercariae were quite commonly detected in fishes from Munsancheon but rarely from other localities, whereas the metacercariae of other digenetic trematodes were relatively prevalent in fishes from water systems of Hantangang and Imjingang in Korea.

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Korean J Parasitol 2015;53(2):209-213.
Published online April 22, 2015
DOI: https://doi.org/10.3347/kjp.2015.53.2.209
The present study was performed to survey the infection status of zoonotic intestinal trematode (ZIT) in stray cats from 5 major riverside areas in the Republic of Korea. Total 400 stray cats were captured with live-traps in riverside areas of Seomjingang (‘gang’ means river) (203 cats) from June to October 2010, and of Yeongsangang (41), Nakdonggang (57), Geumgang (38), and Hangang (61 cats) from June to October 2011, respectively. Small intestines resected from cats were opened with a pair of scissors in a beaker with 0.85% saline and examined with naked eyes and under a stereomicroscope. More than 16 ZIT species were detected in 188 (92.6%) cats from Seomjingang areas, and the number of worms recovered was 111 per cat infected. In cats from riverside areas of Yeongsangang, Nakdonggang, Geumgang, and Hangang, more than 9, 8, 3, and 5 ZIT species were recovered, and the worm burdens were 13, 42, 11, and 56 specimens per infected cat, respectively. As the members of family Heterophyidae, more than 10 species, i.e., Metagonimus spp., Pygidiopsis summa, Heterophyes nocens, Stellantchasmus falcatus, Heterophyopsis continua, Acanthotrema felis, Centrocestus armatus, Procerovum varium, Cryptocotyle concava, and Stictodora lari, were recovered. More than 5 species of echinostomes, i.e., Echinostoma hortense, Echinochasmus japonicus, Echinochasmus sp., Echinoparyphium sp., and unidentified larval echinostomes, were collected. Plagiorchis spp. were detected in cats from areas of Seomjin-gang and Yeongsangang. From the above results, it has been confirmed that stray cats in 5 major riverside areas of Korea are highly infected with various species of ZITs.

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Korean J Parasitol 2015;53(2):169-175.
Published online April 22, 2015
DOI: https://doi.org/10.3347/kjp.2015.53.2.169
The relationship between anti-Plasmodium vivax circumsporozoite protein (CSP) antibody levels and the prevalence of malaria in epidemic areas of South Korea was evaluated. Blood samples were collected from inhabitants of Gimpo-si (city), Paju-si, and Yeoncheon-gun (county) in Gyeonggi-do (province), as well as Cheorwon-gun in Gangwon-do from November to December 2004. Microscopic examinations were used to identify malaria parasites. ELISA was used to quantitate anti-circumsporozoite protein (CSP) antibodies against P. vivax. A total of 1,774 blood samples were collected. The overall CSP-ELISA-positive rate was 7.7% (n=139). The annual parasite incidences (APIs) in these areas gradually decreased from 2004 to 2005 (1.09 and 0.80, respectively). The positive rate in Gimpo (10.4%, 44/425) was the highest identified by CSP-ELISA. The highest API was found in Yeoncheon, followed by Cheorwon, Paju, and Gimpo in both years. The positive rates of CSP-ELISA were closely related to the APIs in the study areas. These results suggest that seroepidemiological studies based on CSP may be helpful in estimating the malaria prevalence in certain areas. In addition, this assay can be used to establish and evaluate malaria control and eradication programs in affected areas.

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Brief Communication

Molecular Detection and Seroprevalence of Babesia microti among Stock Farmers in Khutul City, Selenge Province, Mongolia
Sung-Hee Hong, Davaasuren Anu, Young-Il Jeong, Davaajav Abmed, Shin-Hyeong Cho, Won-Ja Lee, Sang-Eun Lee
Korean J Parasitol 2014;52(4):443-447.
Published online August 29, 2014
DOI: https://doi.org/10.3347/kjp.2014.52.4.443

Babesiosis is an emerging tick-borne disease in humans worldwide; however, little is known about the frequency of infection or prevalence of this disease in other parts of the world, excluding North America. In this study, we aimed to investigate Babesia microti infection frequency in a human population in Mongolia. One hundred blood samples were collected from stock farmers living in Khutul city of Selenge province, Mongolia. The sera and DNA from blood samples were evaluated for the presence of B. microti infection by using indirect fluorescent antibody (IFA) tests and PCR. The positive detection rates obtained using the IFA tests and PCR assays were 7% and 3%, respectively. This study is the first to detect of B. microti infections based on antibody seroprevalence or PCR assays for the presence of B. microti DNA in a Mongolian population.

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    PLOS Neglected Tropical Diseases.2017; 11(10): e0005898.     CrossRef
  • Detection of Babesia venatorum, Anaplasma phagocytophilum and Candidatus Neoehrlichia mikurensis in Ixodes persulcatus ticks from Mongolia
    Carolin Karnath, Anna Obiegala, Stephanie Speck, Sandra Essbauer, Henri Derschum, Holger Scholz, Daniel Kiefer, Damdindorj Tserennorov, Otgonbataar Dashdavaa, Nyamdorj Tsogbadrakh, Battsetseg Jigjav, Martin Pfeffer
    Ticks and Tick-borne Diseases.2016; 7(2): 357.     CrossRef
  • Experimental transmission of Babesia microti by Rhipicephalus haemaphysaloides
    Lan-Hua Li, Dan Zhu, Chen-Chen Zhang, Yi Zhang, Xiao-Nong Zhou
    Parasites & Vectors.2016;[Epub]     CrossRef
  • Ixodes persulcatus Ticks as Vectors for the Babesia microti U.S. Lineage in Japan
    Aya Zamoto-Niikura, Shigeru Morikawa, Ken-Ichi Hanaki, Patricia J. Holman, Chiaki Ishihara, P. D. Schloss
    Applied and Environmental Microbiology.2016; 82(22): 6624.     CrossRef
  • The PCR detection and phylogenetic characterization of Babesia microti in questing ticks in Mongolia
    Bumduuren Tuvshintulga, Thillaiampalam Sivakumar, Badgar Battsetseg, Sandag-ochir Narantsatsaral, Batsaikhan Enkhtaivan, Banzragch Battur, Kyoko Hayashida, Kazuhiro Okubo, Takahiro Ishizaki, Noboru Inoue, Ikuo Igarashi, Naoaki Yokoyama
    Parasitology International.2015; 64(6): 527.     CrossRef
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Original Articles

Prevalence of Zoonotic Trematode Metacercariae in Freshwater Fish from Gangwon-do, Korea
Shin-Hyeong Cho, Won-Ja Lee, Tong-Soo Kim, Won-Seok Seok, Taejoon Lee, Kyungjin Jeong, Byoung-Kuk Na, Woon-Mok Sohn
Korean J Parasitol 2014;52(4):399-412.
Published online August 29, 2014
DOI: https://doi.org/10.3347/kjp.2014.52.4.399

The infection status of zoonotic trematode metacercariae was investigated in a total of 2,293 freshwater fish collected from 11 rivers or streams in 9 administrative regions of Gangwon-do, Korea for 5 years (2009-2013). All fish were collected by netting methods and examined using the artificial digestion methods. Clonorchis sinensis metacercariae were detected in 4 fish species, i.e., Pungtungia herzi, Squalidus japonicus coreanus, Acheilognathus rhombeus, and Ladislabia taczanowskii, from only Hantangang in Cheorwon-gun. Metagonimus spp. metacercariae were found in 1,154 (50.3%) fish and their average number per infected fish was 55.8. Among the positive fish species, especially Tribolodon hakonensis from Namdaecheon in Yangyang-gun and Plecoglossus altivelis from Osipcheon in Samcheok-si were most heavily infected. Centrocestus armatus metacercariae were detected in 611 (26.7%) fish and the average metacercarial burden per infected fish was 1,032. Two chub species, Zacco platypus and Zacco temminckii were highly and heavily infected with C. armatus metacercariae in almost all regions surveyed. Echinostoma spp. metacercariae were also found in 24 fish from a few localities, but their numbers per fish infected were very low. From the above results, it is confirmed that the metacercariae of intestinal flukes, especially Metagonimus spp. and C. armatus, were heavily infected, while C. sinensis metacercariae were rarely found in fish from Gangwon-do, Korea.

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    Taeksang Lee, Jun Hyun Lee, Hanna Jin, Yun Kyung Lee, Hyun Beom Song
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  • Infection characteristics of Metagonimus species (Digenea: Heterophyidae) metacercariae in fish from major rivers of Korea
    Woon-Mok Sohn
    Parasites, Hosts and Diseases.2024; 62(1): 1.     CrossRef
  • Age, period, and cohort effects of Clonorchis sinensis infection prevalence in the Republic of Korea: Insights and projections
    Sung-mok Jung, Heewon Kang, Bong-Kwang Jung, Sejin Ju, Jung-Won Ju, Myoung-Ro Lee, Jong-hun Kim, Sung Hye Kim, Ran Wang
    PLOS Neglected Tropical Diseases.2024; 18(10): e0012574.     CrossRef
  • Infection Characteristics of Clonorchis sinensis Metacercariae in Fish from Republic of Korea
    Woon-Mok Sohn
    The Korean Journal of Parasitology.2022; 60(2): 79.     CrossRef
  • Current status of Clonorchis sinensis and clonorchiasis in Korea: epidemiological perspectives integrating the data from human and intermediate hosts
    Won Gi Yoo, Woon-Mok Sohn, Byoung-Kuk Na
    Parasitology.2022; 149(10): 1296.     CrossRef
  • Survey of Zoonotic Trematode Metacercariae in Fish from Water Systems of Geum-gang (River) in Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Cheon-Hyeon Kim, Min-Ah Hwang, Kyeong-Woo No, Jai-Dong Kim
    The Korean Journal of Parasitology.2021; 59(1): 23.     CrossRef
  • High Endemicity with Clonorchis sinensis Metacercariae in Fish from Yongjeon-cheon (Stream) in Cheongsong-gun, Gyeongsangbuk-do, Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Hee Il Lee, Myoung-Ro Lee, Jung-Won Ju, Gou Ok Kim
    The Korean Journal of Parasitology.2021; 59(1): 97.     CrossRef
  • Prevalence and Infection Intensity of Zoonotic Trematode Metacercariae in Fish from Soyang-cheon (Stream), in Wanju-gun, Jeollabuk-do, Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Jung-Won Ju, Cheon-Hyeon Kim, Min-Ah Hwang, Kyeong-Woo No, Jong-Ho Park
    The Korean Journal of Parasitology.2021; 59(3): 265.     CrossRef
  • Survey of Zoonotic Trematode Metacercariae in Fish from Irrigation Canal of Togyo-jeosuji (Reservoir) in Cheorwon-gun, Gangwon-do, Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Hee Il Lee, Jung-Won Ju, Myoung-Ro Lee, Eun-Joo Lim, Sung Yong Son, Eunmi Ko, Jaeseok Choi
    The Korean Journal of Parasitology.2021; 59(4): 427.     CrossRef
  • Endemicity of Zoonotic Trematode Metacercariae in Fish from Deokcheon-gang (River) in Sancheong-gun, Gyeongsangnam-do, Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Hee Il Lee, Jung-Won Ju, Myoung-Ro Lee, Jeong-Gil Park, Jihee Ahn
    The Korean Journal of Parasitology.2021; 59(5): 523.     CrossRef
  • Fish-borne trematode infections in wild fishes in Bangladesh
    Sharmin S. Labony, M. Abdul Alim, Muhammad Mehedi Hasan, Md. Shahadat Hossain, Ausraful Islam, Mohammad Zahangir Alam, Naotoshi Tsuji, Anisuzzaman
    Pathogens and Global Health.2020; 114(2): 91.     CrossRef
  • Infection Status with Clonorchis sinensis Metacercariae in Fish from Yangcheon (Stream) in Sancheong-gun, Gyeongsangnam-do, Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Jung-Won Ju
    The Korean Journal of Parasitology.2019; 57(2): 145.     CrossRef
  • Infection Status with Digenetic Trematode Metacercariae in Fishes from Coastal Lakes in Gangwon-do, Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Soon-Won Lee
    The Korean Journal of Parasitology.2019; 57(6): 681.     CrossRef
  • Prevalence and Intensity of Clonorchis sinensis Metacercariae in Freshwater Fish from Wicheon Stream in Gunwi-gun, Gyeongsangbuk-do, Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Jung-Won Ju, Dong-Chul Son
    The Korean Journal of Parasitology.2018; 56(1): 41.     CrossRef
  • Infection Status with Clonorchis sinensis Metacercariae in Fish from Tamjin-gang (River) in Jeollanam-do, Republic of Korea
    Ki-Bok Yoon, Hyun-Cheol Lim, Doo Young Jeon, Sook Park, Shin-Hyeong Cho, Jung-Won Ju, Sung-Shik Shin, Byoung-Kuk Na, Woon-Mok Sohn
    The Korean Journal of Parasitology.2018; 56(2): 183.     CrossRef
  • Infection Status with Metagonimus spp. Metacercariae in Fishes from Seomjin-gang and Tamjin-gang in Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Jung-Won Ju, Cheon-Hyeon Kim, Ki-Bok Yoon
    The Korean Journal of Parasitology.2018; 56(4): 351.     CrossRef
  • Infections with Centrocestus armatus Metacercariae in Fishes from Water Systems of Major Rivers in Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Jung-Won Ju, Cheon-Hyeon Kim, Ki-Bok Yoon, Jai-Dong Kim, Dong Cheol Son, Soon-Won Lee
    The Korean Journal of Parasitology.2018; 56(4): 341.     CrossRef
  • Infections with Digenean Trematode Metacercariae in Two Invasive Alien Fish, Micropterus salmoides and Lepomis macrochirus, in Two Rivers in Chungcheongbuk-do, Republic of Korea
    Seongjun Choe, Hansol Park, Dongmin Lee, Yeseul Kang, Hyeong-Kyu Jeon, Keeseon S. Eom
    The Korean Journal of Parasitology.2018; 56(5): 509.     CrossRef
  • RETROSPECTIVE ANALYSIS OF THE EPIDEMIOLOGIC LITERATURE, 1990–2015, ON WILDLIFE-ASSOCIATED DISEASES FROM THE REPUBLIC OF KOREA
    Jusun Hwang, Kyunglee Lee, Young-Jun Kim, Jonathan M. Sleeman, Hang Lee
    Journal of Wildlife Diseases.2017; 53(1): 5.     CrossRef
  • Metacercaria Infection Status of Fishborne Zoonotic Trematodes, Except for Clonorchis sinensis in Fish from the Heilongjiang Province, China
    Jian-Hua Qiu, Ying Zhang, Xiao-Xuan Zhang, Yuan Gao, Qi Li, Qiao-Cheng Chang, Chun-Ren Wang
    Foodborne Pathogens and Disease.2017; 14(8): 440.     CrossRef
  • Prevalence of Clonorchis sinensis Metacercariae in Fish from Water Systems of Seomjin-gang (River)
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Mi-Yeoun Park, Cheon-Hyeon Kim, Min-Ah Hwang, Kyeong-Woo No, Ki-Bok Yoon, Hyun-Cheol Lim
    The Korean Journal of Parasitology.2017; 55(3): 305.     CrossRef
  • Trematode Metacercariae in Freshwater Fish from Water Systems of Hantangang and Imjingang in Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Soon-Won Lee, Seung-Bong Choi, Won-Seok Seok
    The Korean Journal of Parasitology.2015; 53(3): 289.     CrossRef
  • Molecular characterization of Stictodora tridactyla (Trematoda: Heterophyidae) from Kuwait Bay using rDNA ITS and mtCO1
    Wafa Y. Al-Kandari, Majed A. Alnaqeeb, Asha M. Isaac, Suzanne A. Al-Bustan
    Parasitology Research.2015; 114(11): 4259.     CrossRef
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Tetrathyridia of Mesocestoides lineatus in Chinese Snakes and Their Adults Recovered from Experimental Animals
Shin-Hyeong Cho, Tong-Soo Kim, Yoon Kong, Byoung-Kuk Na, Woon-Mok Sohn
Korean J Parasitol 2013;51(5):531-536.
Published online October 31, 2013
DOI: https://doi.org/10.3347/kjp.2013.51.5.531

Morphological characteristics of Mesocestoides lineatus tetrathyridia collected from Chinese snakes and their adults recovered from experimental animals were studied. The tetrathyridia were detected mainly in the mesentery of 2 snake species, Agkistrodon saxatilis (25%) and Elaphe schrenckii (20%). They were 1.73 by 1.02 mm in average size and had an invaginated scolex with 4 suckers. Adult tapeworms were recovered from 2 hamsters and 1 dog, which were orally infected with 5-10 larvae each. Adults from hamsters were about 32 cm long and those from a dog were about 58 cm long. The scolex was 0.56 mm in average width with 4 suckers of 0.17 by 0.15 mm in average size. Mature proglottids measured 0.29 by 0.91 mm (av.). Ovaries and vitellaria bilobed and located in the posterior portion of proglottids. The cirrus sac was oval-shaped and located median. Testes were follicular, distributed in both lateral fields of proglottids, and 41-52 in number per proglottid. Gravid proglottids were 1.84 by 1.39 mm (av.) with a characteristic paruterine organ. Eggs were 35 by 27 ?m in average size with a hexacanth embryo. These morphological characteristics of adult worms were identical with those of M. lineatus reported previously. Therefore, it has been confirmed that the tetrathyridia detected in 2 species of Chinese snakes are the metacestodes of M. lineatus, and 2 snake species, A. saxatilis and E. schrenckii, play the role of intermediate hosts.

Citations

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  • Gastrointestinal parasites of cats in the Middle East (2000−2023): A literature review
    Mahdi Soroushianfar, Soheil Sadr, Alireza Sazmand, Shiva Dianaty, Javad Khedri, Rolf Karl Schuster, Hassan Borji
    Parasitology International.2024; 102: 102919.     CrossRef
  • Wood mouse (Apodemus sylvaticus L.) as intermediate host for Mesocestoides canislagopodis (Rudolphi, 1810) (Krabbe 1865) in Iceland
    Damien Jouet, Aðalsteinn Örn Snæþórsson, Karl Skírnisson
    Parasitology Research.2023; 122(9): 2119.     CrossRef
  • Squamata reptiles as a potential source of helminth infections when preyed on by companion animals
    Mariaelisa Carbonara, Jairo Alfonso Mendoza-Roldan, Riccardo Paolo Lia, Giada Annoscia, Roberta Iatta, Antonio Varcasia, Giuseppe Conte, Giovanni Benelli, Domenico Otranto
    Parasites & Vectors.2023;[Epub]     CrossRef
  • Molecular identification of Taenia hydatigena and Mesocestoides species based on copro-DNA analysis of wild carnivores in Mongolia
    Gelegbalsan Ulziijargal, Chultemsuren Yeruult, Janchiv Khulan, Choijilsuren Gantsetseg, Toni Wandra, Hiroshi Yamasaki, Myadagsuren Narankhajid
    International Journal for Parasitology: Parasites and Wildlife.2020; 11: 72.     CrossRef
  • Morphological and Molecular Characterization of Post-Larval Pre-Tetrathyridia ofMesocestoidessp. (Cestoda: Cyclophyllidea) from Ground Skink,Scincella lateralis(SAURIA: SCINCIDAE), FROM SOUTHEASTERN OKLAHOMA
    Chris T. McAllister, Vasyl V. Tkach, David Bruce Conn
    Journal of Parasitology.2018; 104(3): 246.     CrossRef
  • ПЕРВЫЕ МОЛЕКУЛЯРНО-ГЕНЕТИЧЕСКИЕ ДАННЫЕ ПО ТЕТРАТИРИДИЯМ РОДА MESOCESTOIDES ОТ КРАСНОЙ ПОЛЕВКИ ИЗ МАГАДАНСКОЙ ОБЛАСТИ, "Паразитология"
    Н. А. Поспехова, В.В. Переверзева, Н.Е. Докучаев
    Паразитология.2018; (5): 382.     CrossRef
  • Occurrence of Mesocestoides canislagopodis (Rudolphi, 1810) (Krabbe, 1865) in mammals and birds in Iceland and its molecular discrimination within the Mesocestoides species complex
    Karl Skirnisson, Damien Jouet, Hubert Ferté, Ólafur K. Nielsen
    Parasitology Research.2016; 115(7): 2597.     CrossRef
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Brief Communication

Prevalence of Toxoplasma gondii Infection in Household Cats in Korea and Risk Factors
Sung-Hee Hong, Young-Il Jeong, Jae-Young Kim, Shin-Hyeong Cho, Won-Ja Lee, Sang-Eun Lee
Korean J Parasitol 2013;51(3):357-361.
Published online June 30, 2013
DOI: https://doi.org/10.3347/kjp.2013.51.3.357

Several epidemiological surveys have reported the prevalence of Toxoplasma gondii infection in stray cats in Korea, but little information is available on T. gondii infection in household cats. The aim of the present study was to assess the prevalence and risk factors of T. gondii infection among household cats reared in Seoul, Korea. A total of 474 blood samples were collected from clinically healthy household cats. All samples were tested using ELISA and PCR. The risk factor analysis was based on a questionnaire filled out by the owners. The overall positive rate for ELISA and PCR assays was 2.2% (10/437) and 2.1% (10/474), respectively. With regard to the origin of cats, the positive rates among cats adopted from the animal shelter and veterinary clinic for stray cats were significantly different (P<0.05). Our study demonstrated that the positive rate of T. gondii infection in household cats was low and that this low prevalence was assumed to be associated with keeping the cats indoors and restriction of eating raw food and uncooked meat. Therefore, we suggest that the owners check the origin of the cats prior to adoption to prevent infection of other animals, including humans.

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  • Prevalence of selected infectious agents in Swedish cats with fever and/or anemia compared to cats without fever and/or anemia and to stable/stray cats
    Gunilla Ölmedal, Linda Toresson, Mary Nehring, Jennifer Hawley, Sue Vande Woude, Michael Lappin
    Acta Veterinaria Scandinavica.2025;[Epub]     CrossRef
  • Seroprevalence of and Risk Factors for Toxoplasma gondii Infection in Cats from Greece
    Kassiopi Christina G. Kokkinaki, Manolis N. Saridomichelakis, Mathios E. Mylonakis, Leonidas Leontides, Panagiotis G. Xenoulis
    Animals.2023; 13(7): 1173.     CrossRef
  • Establishment and application of an iELISA detection method for measuring apical membrane antigen 1 (AMA1) antibodies of Toxoplasma gondii in cats
    Yafan Gao, Yu Shen, Jiyuan Fan, Haojie Ding, Bin Zheng, Haijie Yu, Siyang Huang, Qingming Kong, Hangjun Lv, Xunhui Zhuo, Shaohong Lu
    BMC Veterinary Research.2023;[Epub]     CrossRef
  • Prevalence of Toxoplasma gondii Measured by Western Blot, ELISA and DNA Analysis, by PCR, in Cats of Western Mexico
    María de la Luz Galván-Ramírez, Claudia Charles-Niño, César Pedroza-Roldán, Carolina Salazar-Reveles, Karen Lissete Ocampo-Figueroa, Laura Roció Rodríguez-Pérez, Varinia Margarita Paez-Magallán
    Pathogens.2022; 11(1): 109.     CrossRef
  • Prevalence of toxoplasmosis in semi-domesticated and pet cats within and around Bangkok, Thailand
    Tawin Inpankaew, Panpicha Sattasathuchana, Chanya Kengradomkij, Naris Thengchaisri
    BMC Veterinary Research.2021;[Epub]     CrossRef
  • All about toxoplasmosis in cats: the last decade
    J.P. Dubey, C.K. Cerqueira-Cézar, F.H.A. Murata, O.C.H. Kwok, Y.R. Yang, C. Su
    Veterinary Parasitology.2020; 283: 109145.     CrossRef
  • Seroprevalence and Risk Factors of Toxoplasma gondii Infection among Cat Sitters in Korea
    Bong-Kwang Jung, Hyemi Song, Sang-Eun Lee, Min-Jae Kim, Jaeeun Cho, Eun-Hee Shin, Jong-Yil Chai
    The Korean Journal of Parasitology.2017; 55(2): 203.     CrossRef
  • Serological and Molecular Detection of Toxoplasma gondii and Babesia microti in the Blood of Rescued Wild Animals in Gangwon-do (Province), Korea
    Sung-Hee Hong, Hee-Jong Kim, Young-Il Jeong, Shin-Hyeong Cho, Won-Ja Lee, Jong-Tak Kim, Sang-Eun Lee
    The Korean Journal of Parasitology.2017; 55(2): 207.     CrossRef
  • Molecular investigation on the occurrence of Toxoplasma gondii oocysts in cat feces using TOX-element and ITS-1 region targets
    W. Chemoh, N. Sawangjaroen, V. Nissapatorn, N. Sermwittayawong
    The Veterinary Journal.2016; 215: 118.     CrossRef
  • <i>Toxoplasma gondii</i> B1 Gene Detection in Feces of Stray Cats around Seoul, Korea and Genotype Analysis of Two Laboratory-Passaged Isolates
    Bong-Kwang Jung, Sang-Eun Lee, Hyemi Lim, Jaeeun Cho, Deok-Gyu Kim, Hyemi Song, Min-Jae Kim, Eun-Hee Shin, Jong-Yil Chai
    The Korean Journal of Parasitology.2015; 53(3): 259.     CrossRef
  • A high seroprevalence ofToxoplasma gondiiantibodies in a population of feral cats in the Western Cape province of South Africa
    Kenneth Hammond-Aryee, Monika Esser, Lesley van Helden, Paul van Helden
    Southern African Journal of Infectious Diseases.2015; 30(4): 141.     CrossRef
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Original Article

Larval Anisakid Infections in Marine Fish from Three Sea Areas of the Republic of Korea
Shin-Hyeong Cho, Sang-Eun Lee, Ok-Hee Park, Byoung-Kuk Na, Woon-Mok Sohn
Korean J Parasitol 2012;50(4):295-299.
Published online November 26, 2012
DOI: https://doi.org/10.3347/kjp.2012.50.4.295

The present study was performed to determine the infection status of anisakid larvae in marine fish collected from 3 sea areas of the Republic of Korea. Total 86 marine fish (8 species) collected from the East Sea (Goseong-gun, Gangwon-do), 171 fish (10 species) from the South Sea (Sacheon-si, Gyeongsangnam-do), and 92 fish (7 species) from the Yellow Sea (Incheon Metropolitan City) were examined by both naked eyes and artificial digestion method. Among the total of 349 fish examined, 213 (61.0%) were infected with 8 species of anisakid larvae, i.e., Anisakis simplex, 6 types of Contracaecum spp., and Raphidascaris sp., and the mean larval density was 13.8 per infected fish. Anisakid larvae were detected in 45 fish (52.3%) from the East Sea, 131 fish (76.6%) from the South Sea, and 37 fish (40.2%) from the Yellow Sea. The average numbers of larvae detected were 4.0, 16.6, and 15.9, respectively. Anisakis simplex larvae were detected in 149 fish (42.7%), and the mean larval density was 9.0 per infected fish. They were found in 26 fish (30.2%) collected from the East Sea, 96 fish (56.1%) from the South Sea, and 27 fish (29.3%) from the Yellow Sea. The average numbers of larvae detected were 2.9, 10.3, and 10.5, respectively. Conclusively, the present study suggests that the infection rate and density of anisakid larvae are more or less higher in the fish from the South Sea than those from the East Sea or the Yellow Sea.

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    Sunmin Kim, Jong Yoon Jeon, Kyunglee Lee, Hyunjoo Lee, Han Chan Park, Kyung Eun Lee, Hang Lee, Sung Bin Lee, Sang Wha Kim, Se Chang Park, Seongjun Choe, Heejeong Youn
    Parasitology Research.2024;[Epub]     CrossRef
  • Re‐evaluation of certain aspects of the EFSA Scientific Opinion of April 2010 on risk assessment of parasites in fishery products, based on new scientific data. Part 2
    Ana Allende, Avelino Alvarez‐Ordóñez, Valeria Bortolaia, Sara Bover‐Cid, Alessandra De Cesare, Wietske Dohmen, Laurent Guillier, Lieve Herman, Liesbeth Jacxsens, Maarten Nauta, Lapo Mughini‐Gras, Jakob Ottoson, Luisa Peixe, Fernando Perez‐Rodriguez, Panag
    EFSA Journal.2024;[Epub]     CrossRef
  • Parasites in the Skeletal Muscle of Amberjacks Seriola spp. in Japan: A Review
    Kazuo Ogawa
    Fish Pathology.2023; 58(4): 127.     CrossRef
  • Prevalence of Anisakid Nematodes in Fish in China: A Systematic Review and Meta-Analysis
    Qing Liu, Qi Wang, Jing Jiang, Jun-Yang Ma, Xing-Quan Zhu, Qing-Long Gong
    Frontiers in Veterinary Science.2022;[Epub]     CrossRef
  • Epidemical study of third stage larvae of Anisakis spp. infection in marine fishes in China from 2016 to 2017
    Shuran Yang, Xiaoyan Pei, Ying Li, Li Zhan, Zhen Tang, Weiwei Chen, Xia Song, Dajin Yang
    Food Control.2020; 107: 106769.     CrossRef
  • Anisakidosis
    Heung Up Kim
    The Korean Journal of Helicobacter and Upper Gastrointestinal Research.2019; 19(1): 23.     CrossRef
  • <i>Anisakis pegreffii</i> Larvae in Sea Eels (<i>Astroconger myriaster</i>) from the South Sea, Republic of Korea
    Jaeeun Cho, Hyemi Lim, Bong-Kwang Jung, Eun-Hee Shin, Jong-Yil Chai
    The Korean Journal of Parasitology.2015; 53(3): 349.     CrossRef
  • Molecular Analysis ofAnisakis Type I Larvae in Marine Fish from Three Different Sea Areas in Korea
    Woon-Mok Sohn, Jung-Mi Kang, Byoung-Kuk Na
    The Korean Journal of Parasitology.2014; 52(4): 383.     CrossRef
  • Clinical Update on Parasitic Diseases
    Min Seo
    Korean Journal of Medicine.2013; 85(5): 469.     CrossRef
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  • 90 Download
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Brief Communications

Prevalence of Enterobius vermicularis among Preschool Children in Muan-gun, Jeollanam-do, Korea
Sung-Hee Hong, Young-Il Jeong, Jin-Hee Lee, Shin-Hyeong Cho, Won-Ja Lee, Sang-Eun Lee
Korean J Parasitol 2012;50(3):259-262.
Published online August 13, 2012
DOI: https://doi.org/10.3347/kjp.2012.50.3.259

We assessed the prevalence of Enterobius vermicularis infection and changes in the egg positive rate (EPR) over 1-year time, using the adhesive cellophane-tape perianal swab method in 2,347 preschool children in Muan-gun, Jeollanam-do, Republic of Korea in 2008 and 2009. The overall EPR for E. vermicularis was 4.1% in 2008 and 4.5% in 2009. A study population of 389 children was repeatedly examined for 2 years. Within this group, the EPR in 2009 was twice higher than in 2008, and the EPR of the group of 5-7-year-old children was significantly higher than that of other age groups. Moreover, in the group of 5-7-year-old children in 2009, the rates of positive and negative conversion were significantly higher and lower, respectively, than in other age groups. Conclusively, enterobiasis was prevalent during 2008-2009 among preschool children in Muan-gun, Jeollanam-do, and the increased EPR in 2009 was due to an increase in newly acquired infections among 5-7-year-old children.

Citations

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  • The Impact of Parasitic Infestation on Nutritional Status and Micronutrients among Children
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  • Positive rates for Enterobius vermicularis eggs among preschool children in Yeosu-si, Jeollanam-do, Korea (2017-2021)
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    Parasites, Hosts and Diseases.2023; 61(1): 84.     CrossRef
  • Enterobius vermicularis Infection among Preschool Children: A 12-Year (2008-2019) Survey in Large Cities and Provinces of the Republic of Korea
    Hyejoo Shin, Bong-Kwang Jung, Seungwan Ryoo, Sooji Hong, Taehee Chang, Jiyeon Park, Keon Hoon Lee, Jeonggyu Lee, Jae Young Park, Hoo-Gn Jeoung, Jae Hyun Cho, Jong-Yil Chai
    The Korean Journal of Parasitology.2021; 59(4): 421.     CrossRef
  • Enterobius vermicularis infection and its risk factors among pre-school children in Taipei, Taiwan
    Kuang-Yao Chen, Chuan-Min Yen, Kao-Pin Hwang, Lian-Chen Wang
    Journal of Microbiology, Immunology and Infection.2018; 51(4): 559.     CrossRef
  • The frequency of Enterobius vermicularis infection in children from Wielkopolska Voivodeship
    Marta Siekierska, Karolina Kot, Natalia Łanocha-Arendarczyk, Danuta Kosik-Bogacka
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  • Prevalence ofEnterobius vermicularisamong preschool children in 2003 and 2013 in Xinxiang city, Henan province, Central China
    Shuai Wang, Zhijun Yao, Yichen Hou, Dong Wang, Haizhu Zhang, Jingbo Ma, Luwen Zhang, Shiguo Liu
    Parasite.2016; 23: 30.     CrossRef
  • Risk factors for Enterobius vermicularis infection in children in Gaozhou, Guangdong, China
    Hong-Mei Li, Chang-Hai Zhou, Zhi-Shi Li, Zhuo-Hui Deng, Cai-Wen Ruan, Qi-Ming Zhang, Ting-Jun Zhu, Long-Qi Xu, Ying-Dan Chen
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Detection of Ocular Toxoplasma gondii Infection in Chronic Irregular Recurrent Uveitis by PCR
Sang-Eun Lee, Sung-Hee Hong, Seong-Ho Lee, Young-Il Jeong, Su Jin Lim, Oh Woong Kwon, Sun Hyun Kim, Young Sung You, Shin-Hyeong Cho, Won-Ja Lee
Korean J Parasitol 2012;50(3):229-231.
Published online August 13, 2012
DOI: https://doi.org/10.3347/kjp.2012.50.3.229

Toxoplasma gondii is a zoonotic parasite resulting in human infections and one of the infectious pathogens leading to uveitis and retinochoroiditis. The present study was performed to assess T. gondii infection in 20 ocular patients with chronic irregular recurrent uveitis (20 aqueous humor and 20 peripheral blood samples) using PCR. All samples were analyzed by nested PCR targeting a specific B1 gene of T. gondii. The PCR-positive rate was 25% (5/20), including 5% (1) in blood samples, 25% (5) in aqueous humor samples, and 5% (1) in both sample types. A molecular screening test for T. gondii infection in ocular patients with common clinical findings of an unclear retinal margin and an inflammatory membrane over the retina, as seen by fundus examination, may be helpful for early diagnosis and treatment.

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    Naushaba Siddiqui, Fatima Shujatullah, Haris M. Khan, Tamkin Rabbani, Parvez A. Khan
    The Korean Journal of Parasitology.2014; 52(5): 487.     CrossRef
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  • PCR-Based Detection of Toxoplasma gondii DNA in Blood and Ocular Samples for Diagnosis of Ocular Toxoplasmosis
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    Journal of Clinical Microbiology.2014; 52(11): 3987.     CrossRef
  • Prevalence and Genetic Characterization of Toxoplasma gondii in House Sparrows (Passer domesticus) in Lanzhou, China
    Wei Cong, Si-Yang Huang, Dong-Hui Zhou, Xiao-Xuan Zhang, Nian-Zhang Zhang, Quan Zhao, Xing-Quan Zhu
    The Korean Journal of Parasitology.2013; 51(3): 363.     CrossRef
  • Serologic Survey of Toxoplasmosis in Seoul and Jeju-do, and a Brief Review of Its Seroprevalence in Korea
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    The Korean Journal of Parasitology.2012; 50(4): 287.     CrossRef
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Original Article

Infection Status of Estuarine Fish and Oysters with Intestinal Fluke Metacercariae in Muan-gun, Jeollanam-do, Korea
Shin-Hyeong Cho, In-Sang Kim, Eun-Jung Hwang, Tong-Soo Kim, Byoung-Kuk Na, Woon-Mok Sohn
Korean J Parasitol 2012;50(3):215-220.
Published online August 13, 2012
DOI: https://doi.org/10.3347/kjp.2012.50.3.215

The source of human infection with intestinal flukes was surveyed in estuarine fishes, including the dotted gizzard shad, common sea bass, common blackish goby, redlip mullet, black sea bream, and oyster collected from Muan-gun, Jeollanam-do, Korea during August and September 2007. Collected fishes and oysters were artificially digested in pepsin-HCl solution and examined under a stereomicroscope. In 36 shads (Konosirus punctatus) and 20 basses (Lateolabrax japonicus) examined, Heterophyopsis continua metacercariae were found in 58.3% and 100%, and their average numbers were 12.0 and 6.3 per infected fish, respectively. In 34 gobies (Acanthogobius flavimanus) examined, metacercariae of H. continua were detected in 79.4%, Stictodora lari in 97.1%, and Acanthotrema felis in 92.1%, and their average numbers were 45.8, 189.3, and 235.3 per infected fish, respectively. In 37 redlip mullets (Chelon haematocheilus), Heterophyes nocens metacercariae were found in 56.8%, Pygidiopsis summa in 94.6%, and Stictodora fuscata in 45.9%, and the average metacercarial densities were 17.4, 31.3, and 35.1 per infected fish, respectively. In 30 black sea breams (Acanthopagrus schlegeli) and 45 oysters (Crassostrea gigas) examined, no metacercariae were detected. From the above results, it has been confirmed that the dotted gizzard shad, common sea bass, common blackish goby, and redlip mullet from Muan-gun, Jeollanam-do, Korea are infected with the metacercariae of heterophyid flukes.

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  • First Record of Pygidiopsis summa and Ascocotyle longa in Iraq
    Ghadeer M. Al-Suwaij, Basim H. Abdullah
    Academia Open.2025;[Epub]     CrossRef
  • Infection Status with Digenetic Trematode Metacercariae in Fishes from Coastal Lakes in Gangwon-do, Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Soon-Won Lee
    The Korean Journal of Parasitology.2019; 57(6): 681.     CrossRef
  • Infections with Zoonotic Trematode Metacercariae in Yellowfin Goby, Acanthogobius flavimanus, from Coastal Areas of Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Jung-Won Ju, Soon-Won Lee, Won-Seok Seok
    The Korean Journal of Parasitology.2018; 56(3): 259.     CrossRef
  • Fishborne zoonotic heterophyid infections: An update
    Jong-Yil Chai, Bong-Kwang Jung
    Food and Waterborne Parasitology.2017; 8-9: 33.     CrossRef
  • Pygidiopsis summa (Digenea: Heterophyidae): Status of Metacercarial Infection in Mullets from Coastal Areas in the Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Won-Ja Lee, Mi-Yeoun Park, Soon-Won Lee, Seung-Bong Choi, Beom-Nyung Huh, Won-Seok Seok
    The Korean Journal of Parasitology.2016; 54(4): 497.     CrossRef
  • Four Human Cases of Acanthotrema felis (Digenea: Heterophyidae) Infection in Korea
    Jong-Yil Chai, Jae-Lip Kim, Min Seo
    The Korean Journal of Parasitology.2014; 52(3): 291.     CrossRef
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Brief Communications

Discovery of Larval Gnathostoma nipponicum in Frogs and Snakes from Jeju-do (Province), Republic of Korea
Ho-Choon Woo, Hong-Shik Oh, Shin-Hyeong Cho, Byoung-Kuk Na, Woon-Mok Sohn
Korean J Parasitol 2011;49(4):445-448.
Published online December 16, 2011
DOI: https://doi.org/10.3347/kjp.2011.49.4.445

A survey was performed to find out the intermediate hosts of Gnathostoma nipponicum in Jeju-do (Province), the Republic of Korea. In August 2009 and 2010, a total of 82 tadpoles, 23 black-spotted pond frogs (Rana nigromaculata), 7 tiger keelback snakes (Rhabdophis tigrinus tigrinus), 6 red-tongue viper snakes (Agkistrodon ussuriensis), and 2 cat snakes (Elaphe dione) were collected in Jeju-do and examined by the pepsin-HCl digestion method. Total 5 gnathostome larvae were detected in 3 (50%) of 6 A. ussuriensis, 70 larvae in 3 of 7 (42.9%) R. tigrinus tigrinus, and 2 larvae in 2 of 82 (8.7%) frogs. No gnathostome larvae were detected in tadpoles and cat snakes. The larvae detected were a single species, and 2.17×0.22 mm in average size. They had characteristic head bulbs, muscular esophagus, and 4 cervical sacs. Three rows of hooklets were arranged in the head bulbs, and the number of hooklets in each row was 29, 33, and 36 posteriorly. All these characters were consistent with the advanced third-stage larvae of G. nipponicum. It has been first confirmed in Jeju-do that R. nigromaculata, A. ussuriensis, and R. tigrinus tigrinus play a role for intermediate and/or paratenic hosts for G. nipponicum.

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    Seongjun Choe, Junsik Lim, Hyun Kim, Youngjun Kim, Heejong Kim, Dongmin Lee, Hansol Park, Hyeong-Kyu Jeon, Keeseon S. Eom
    The Korean Journal of Parasitology.2016; 54(2): 205.     CrossRef
  • Gnathostoma spinigerum Infection in the Upper Lip of a Korean Woman: An Autochthonous Case in Korea
    Jae Hee Kim, Hyemi Lim, Young-Sang Hwang, Tae Yeon Kim, Eun Mee Han, Eun-Hee Shin, Jong-Yil Chai
    The Korean Journal of Parasitology.2013; 51(3): 343.     CrossRef
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Comparison of Egg Positive Rates of Enterobius vermicularis among Preschool Children in Three Korean Localities
Sung-Hee Hong, Sang-Eun Lee, Young-Il Jeong, Won-Ja Lee, Shin-Hyeong Cho
Korean J Parasitol 2011;49(4):441-443.
Published online December 16, 2011
DOI: https://doi.org/10.3347/kjp.2011.49.4.441

This survey was performed to investigate and compare egg positive rates (EPRs) of Enterobius vermicularis among preschool children in 3 Korean localities (Chuncheon-si, Inje-gun, and Paju-si) in 2008. A total of 7,048 preschool children were examined. Overall, the total EPR was 4.0%; the EPR was the highest in Chuncheon-si (5.6%), followed by Inje-gun (4.5%) and Paju-si (3.4%). The EPR of boys (4.9%) was higher than that of girls (3.1%). The EPR significantly increased with age, with the highest observed in 5~7-year-olds. These findings demonstrate that E. vermicularis infection is widely prevalent among preschool children in Chuncheon-si, Inje-gun, and Paju-si, Republic of Korea.

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    Tropical Animal Health and Production.2024;[Epub]     CrossRef
  • Positive rates for Enterobius vermicularis eggs among preschool children in Yeosu-si, Jeollanam-do, Korea (2017-2021)
    Myoung-Ro Lee, Hee-Eun Shin, Seon-Ok Back, Young-Ju Lee, Jung-Won Ju, Chun Soon Park, Hee-Il Lee
    Parasites, Hosts and Diseases.2023; 61(1): 84.     CrossRef
  • Global prevalence of enterobiasis in young children over the past 20 years: a systematic review and meta-analysis
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    Pichamon Janthu, Abdulhakam Dumidae, Chanakan Subkrasae, Jiranun Ardpairin, Saengchai Nateeworanart, Aunchalee Thanwisai, Apichat Vitta
    Parasitology Research.2022; 121(10): 2955.     CrossRef
  • Enterobius vermicularis Infection among Preschool Children: A 12-Year (2008-2019) Survey in Large Cities and Provinces of the Republic of Korea
    Hyejoo Shin, Bong-Kwang Jung, Seungwan Ryoo, Sooji Hong, Taehee Chang, Jiyeon Park, Keon Hoon Lee, Jeonggyu Lee, Jae Young Park, Hoo-Gn Jeoung, Jae Hyun Cho, Jong-Yil Chai
    The Korean Journal of Parasitology.2021; 59(4): 421.     CrossRef
  • Enterobius vermicularis infection and its risk factors among pre-school children in Taipei, Taiwan
    Kuang-Yao Chen, Chuan-Min Yen, Kao-Pin Hwang, Lian-Chen Wang
    Journal of Microbiology, Immunology and Infection.2018; 51(4): 559.     CrossRef
  • Prevalence ofEnterobius vermicularisamong preschool children in 2003 and 2013 in Xinxiang city, Henan province, Central China
    Shuai Wang, Zhijun Yao, Yichen Hou, Dong Wang, Haizhu Zhang, Jingbo Ma, Luwen Zhang, Shiguo Liu
    Parasite.2016; 23: 30.     CrossRef
  • Chemotherapeutic drugs for common parasitic diseases in Korea
    Sun Huh
    Journal of the Korean Medical Association.2013; 56(6): 513.     CrossRef
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Original Article

Prevalence of Clonorchis sinensis Metacercariae in Freshwater Fish from Three Latitudinal Regions of the Korean Peninsula
Shin-Hyeong Cho, Woon-Mok Sohn, Byoung-Kuk Na, Tong-Soo Kim, Yoon Kong, Keeseon Eom, Won-Seok Seok, Taejoon Lee
Korean J Parasitol 2011;49(4):385-398.
Published online December 16, 2011
DOI: https://doi.org/10.3347/kjp.2011.49.4.385

A large-scale survey was conducted to investigate the infection status of fresh water fishes with Clonorchis sinensis metacercariae (CsMc) in 3 wide regions, which were tentatively divided by latitudinal levels of the Korean peninsula. A total of 4,071 freshwater fishes were collected from 3 regions, i.e., northern (Gangwon-do: 1,543 fish), middle (Chungcheongbuk-do and Gyeongsangbuk-do: 1,167 fish), and southern areas (Jeollanam-do, Ulsan-si, and Gyeongsangnam-do: 1,361 fish). Each fish was examined by the artificial digestion method from 2003 to 2010. In northern areas, only 11 (0.7%) fish of 2 species, Pungtungia herzi and Squalidus japonicus coreanus from Hantan-gang, Cheolwon-gun, Gangwon-do were infected with av. 2.6 CsMc. In middle areas, 149 (12.8%) fish were infected with av. 164 CsMc. In southern areas, 538 (39.5%) fish were infected with av. 159 CsMc. In the analysis of endemicity in 3 regions with an index fish, P. herzi, 9 (6.2%) of 146 P. herzi from northern areas were infected with av. 2.8 CsMc. In middle areas, 34 (31.8%) of 107 P. herzi were infected with av. 215 CsMc, and in southern areas, 158 (92.9%) of 170 P. herzi were infected with av. 409 CsMc. From these results, it has been confirmed that the infection status of fish with CsMc is obviously different among the 3 latitudinal regions of the Korean peninsula with higher prevalence and burden in southern regions.

Citations

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  • Infection Characteristics of Clonorchis sinensis Metacercariae in Fish from Republic of Korea
    Woon-Mok Sohn
    The Korean Journal of Parasitology.2022; 60(2): 79.     CrossRef
  • Current status of Clonorchis sinensis and clonorchiasis in Korea: epidemiological perspectives integrating the data from human and intermediate hosts
    Won Gi Yoo, Woon-Mok Sohn, Byoung-Kuk Na
    Parasitology.2022; 149(10): 1296.     CrossRef
  • Survey of Zoonotic Trematode Metacercariae in Fish from Water Systems of Geum-gang (River) in Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Cheon-Hyeon Kim, Min-Ah Hwang, Kyeong-Woo No, Jai-Dong Kim
    The Korean Journal of Parasitology.2021; 59(1): 23.     CrossRef
  • High Endemicity with Clonorchis sinensis Metacercariae in Fish from Yongjeon-cheon (Stream) in Cheongsong-gun, Gyeongsangbuk-do, Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Hee Il Lee, Myoung-Ro Lee, Jung-Won Ju, Gou Ok Kim
    The Korean Journal of Parasitology.2021; 59(1): 97.     CrossRef
  • Prevalence and Infection Intensity of Zoonotic Trematode Metacercariae in Fish from Soyang-cheon (Stream), in Wanju-gun, Jeollabuk-do, Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Jung-Won Ju, Cheon-Hyeon Kim, Min-Ah Hwang, Kyeong-Woo No, Jong-Ho Park
    The Korean Journal of Parasitology.2021; 59(3): 265.     CrossRef
  • Survey of Zoonotic Trematode Metacercariae in Fish from Irrigation Canal of Togyo-jeosuji (Reservoir) in Cheorwon-gun, Gangwon-do, Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Hee Il Lee, Jung-Won Ju, Myoung-Ro Lee, Eun-Joo Lim, Sung Yong Son, Eunmi Ko, Jaeseok Choi
    The Korean Journal of Parasitology.2021; 59(4): 427.     CrossRef
  • Endemicity of Zoonotic Trematode Metacercariae in Fish from Deokcheon-gang (River) in Sancheong-gun, Gyeongsangnam-do, Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Hee Il Lee, Jung-Won Ju, Myoung-Ro Lee, Jeong-Gil Park, Jihee Ahn
    The Korean Journal of Parasitology.2021; 59(5): 523.     CrossRef
  • Prevalence of Clonorchis sinensis infection in fish in South‐East Asia: A systematic review and meta‐analysis
    Ying Zhang, Qing‐Long Gong, Qing‐Bo Lv, Yang‐Yuan Qiu, Yan‐Chun Wang, Hong‐Yu Qiu, Xin‐Rui Guo, Jun‐Feng Gao, Qiao‐Cheng Chang, Chun‐Ren Wang
    Journal of Fish Diseases.2020; 43(11): 1409.     CrossRef
  • Infection Status with Clonorchis sinensis Metacercariae in Fish from Yangcheon (Stream) in Sancheong-gun, Gyeongsangnam-do, Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Jung-Won Ju
    The Korean Journal of Parasitology.2019; 57(2): 145.     CrossRef
  • Infection Status with Digenetic Trematode Metacercariae in Fishes from Coastal Lakes in Gangwon-do, Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Soon-Won Lee
    The Korean Journal of Parasitology.2019; 57(6): 681.     CrossRef
  • Prevalence and Intensity of Clonorchis sinensis Metacercariae in Freshwater Fish from Wicheon Stream in Gunwi-gun, Gyeongsangbuk-do, Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Jung-Won Ju, Dong-Chul Son
    The Korean Journal of Parasitology.2018; 56(1): 41.     CrossRef
  • Infection Status with Clonorchis sinensis Metacercariae in Fish from Tamjin-gang (River) in Jeollanam-do, Republic of Korea
    Ki-Bok Yoon, Hyun-Cheol Lim, Doo Young Jeon, Sook Park, Shin-Hyeong Cho, Jung-Won Ju, Sung-Shik Shin, Byoung-Kuk Na, Woon-Mok Sohn
    The Korean Journal of Parasitology.2018; 56(2): 183.     CrossRef
  • Infections with Digenean Trematode Metacercariae in Two Invasive Alien Fish, Micropterus salmoides and Lepomis macrochirus, in Two Rivers in Chungcheongbuk-do, Republic of Korea
    Seongjun Choe, Hansol Park, Dongmin Lee, Yeseul Kang, Hyeong-Kyu Jeon, Keeseon S. Eom
    The Korean Journal of Parasitology.2018; 56(5): 509.     CrossRef
  • A new method for estimating the prevalence of clonorchiasis in Korea
    Jin-Young Jeong, Jin Yong Lee, Byung-Suk Chung, Younghyun Choi, Allison Baer Alley, Hyun Joo Kim
    Medicine.2017; 96(13): e6536.     CrossRef
  • Prevalence of Clonorchis sinensis Metacercariae in Fish from Water Systems of Seomjin-gang (River)
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Mi-Yeoun Park, Cheon-Hyeon Kim, Min-Ah Hwang, Kyeong-Woo No, Ki-Bok Yoon, Hyun-Cheol Lim
    The Korean Journal of Parasitology.2017; 55(3): 305.     CrossRef
  • Trematode Metacercariae in Freshwater Fish from Water Systems of Hantangang and Imjingang in Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Soon-Won Lee, Seung-Bong Choi, Won-Seok Seok
    The Korean Journal of Parasitology.2015; 53(3): 289.     CrossRef
  • Prevalence of Zoonotic Trematode Metacercariae in Freshwater Fish from Gangwon-do, Korea
    Shin-Hyeong Cho, Won-Ja Lee, Tong-Soo Kim, Won-Seok Seok, Taejoon Lee, Kyungjin Jeong, Byoung-Kuk Na, Woon-Mok Sohn
    The Korean Journal of Parasitology.2014; 52(4): 399.     CrossRef
  • Prevalence and Risk Factors of Clonorchiasis among Residents of Riverside Areas in Muju-gun, Jeollabuk-do, Korea
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    The Korean Journal of Parasitology.2014; 52(4): 391.     CrossRef
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Brief Communications

The Jeju Weasel, Mustela sibilica quelpartis, A New Definitive Host for Gnathostoma nipponicum Yamaguti, 1941
Ho-Choon Woo, Hong-Shik Oh, Shin-Hyeong Cho, Byoung-Kuk Na, Woon-Mok Sohn
Korean J Parasitol 2011;49(3):317-321.
Published online September 30, 2011
DOI: https://doi.org/10.3347/kjp.2011.49.3.317

Adult gnathostomes were discovered in the stomach of the Jeju weasel, Mustela sibilica quelpartis, road-killed in Jeju-do (Province). Their morphological characters were examined to identify the species. Total 50 gnathostome adults were collected from 6 out of 10 weasels examined. In infected weasels, 4-6 worms were grouped and embedded in each granulomatous gastric tumor, except 1 weasel. Male worms were 25.0×1.4 mm in average size, and had a tail with pedunculate papillae, a spicule, and minute tegumental spines. Females were 40.0×2.5 mm in average size, and had a tail without tegumental spines. Pointed and posteriorly curved hooklets were arranged in 8-10 rows on the head bulb. Tegumental spines were distributed from behind the head bulb to the middle portion of the body. The spines were different in size and shape by the distribution level of the body surface. Fertilized eggs were 65.5×38.9 ?m in average size, and had a mucoid plug at 1 pole. These gnathostomes from Jeju weasels were identified as Gnathostoma nipponicum Yamaguti, 1941. By the present study, it was confirmed for the first time that G. nipponicum is distributed in Jeju-do, the Republic of Korea, and the Jeju weasel, M. sibilica quelpartis, plays a crucial role for its definitive host.

Citations

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  • A case of vocal cord gnathostomiasis diagnosed with sectional morphologies in a histopathological specimen from a Chinese woman living in Korea
    Doo Sik Park, Eun Hyun Cho, Kyung Hoon Park, Soo Min Jo, Bumjung Park, Sun Huh
    Parasites, Hosts and Diseases.2023; 61(3): 298.     CrossRef
  • Mustela sibirica (Carnivora: Mustelidae)
    Chris J Law
    Mammalian Species.2018; 50(966): 109.     CrossRef
  • Gnathostoma spinigerum Infection in the Upper Lip of a Korean Woman: An Autochthonous Case in Korea
    Jae Hee Kim, Hyemi Lim, Young-Sang Hwang, Tae Yeon Kim, Eun Mee Han, Eun-Hee Shin, Jong-Yil Chai
    The Korean Journal of Parasitology.2013; 51(3): 343.     CrossRef
  • Discovery of LarvalGnathostoma nipponicumin Frogs and Snakes from Jeju-do (Province), Republic of Korea
    Ho-Choon Woo, Hong-Shik Oh, Shin-Hyeong Cho, Byoung-Kuk Na, Woon-Mok Sohn
    The Korean Journal of Parasitology.2011; 49(4): 445.     CrossRef
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PCR Diagnosis of Entamoeba histolytica Cysts in Stool Samples
Joung-Ho Moon, Shin-Hyeong Cho, Jae-Ran Yu, Won-Ja Lee, Hyeng-Il Cheun
Korean J Parasitol 2011;49(3):281-284.
Published online September 30, 2011
DOI: https://doi.org/10.3347/kjp.2011.49.3.281

Amebiasis is a protozoan disease caused by Entamoeba histolytica and a potential health threat in areas where sanitation and hygiene are inappropriate. Highly sensitive PCR methods for detection of E. histolytica in clinical and environmental samples are extremely useful to control amebiasis and to promote public health. The present study compared several primer sets for small subunit (SSU) rDNA and histone genes of E. histolytica cysts. A 246 bp of the SSU rDNA gene of pure cysts contained in phosphate-buffered saline (PBS) and in stool samples was successfully amplified by nested PCR, using the 1,147-246 bp primer set, of the primary PCR products which were pre-amplified using the 1,147 bp primer as the template. The detection limit of the nested PCR using the 1,147-246 primer set was 10 cysts in both groups (PBS and stool samples). The PCR to detect histone gene showed negative results. We propose that the nested PCR technique to detect SSU rDNA can be used as a highly sensitive genetic method to detect E. histolytica cysts in stool samples.

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Prevalence of Enterobius vermicularis among Preschool Children in Gimhae-si, Gyeongsangnam-do, Korea
Sang-Eun Lee, Jin-Hee Lee, Jung-Won Ju, Won-Ja Lee, Shin-Hyeong Cho
Korean J Parasitol 2011;49(2):183-185.
Published online June 14, 2011
DOI: https://doi.org/10.3347/kjp.2011.49.2.183

The present study was performed to determine the prevalence of Enterobius vermicularis among preschool children in Gimhae-si, Korea. A total of 6,921 preschool children in 76 kindergartens were examined using the cellotape perianal swab method. The overall egg positive rate (EPR) was 10.5%. The EPR in boys was higher than that in girls (adjusted odds ratio [AOR]: 1.5, P<0.001), and it was higher in rural than in urban children (AOR: 1.2, P=0.022). The present study confirmed that the prevalence of E. vermicularis infection is fairly high among preschool children in Gimhae-si. Therefore, systematic control and preventive measures should be adopted to reduce morbidity associated with this nematode infection.

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    Kuang-Yao Chen, Chuan-Min Yen, Kao-Pin Hwang, Lian-Chen Wang
    Journal of Microbiology, Immunology and Infection.2018; 51(4): 559.     CrossRef
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    Osong Public Health and Research Perspectives.2017; 8(2): 108.     CrossRef
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  • Prevalence of Enterobius vermicularis Among Children in Kindergartens and Primary Schools in Iran: A Systematic Review and Meta-Analysis
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  • High Prevalence of <i>Enterobius vermicularis</i> Infection among Schoolchildren in Three Townships around Yangon, Myanmar
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  • Clinical Update on Parasitic Diseases
    Min Seo
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  • Prevalence of Enterobius vermicularis among Preschool Children in Muan-gun, Jeollanam-do, Korea
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    The Korean Journal of Parasitology.2012; 50(3): 259.     CrossRef
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Original Article
Prevalence of Metagonimus Metacercariae in Sweetfish, Plecoglossus altivelis, from Eastern and Southern Coastal Areas in Korea
Shin-Hyeong Cho, Tong-Soo Kim, Byoung-Kuk Na, Woon-Mok Sohn
Korean J Parasitol 2011;49(2):161-165.
Published online June 14, 2011
DOI: https://doi.org/10.3347/kjp.2011.49.2.161

The present study was performed to determine the current infecion status of Metagonimus yokogawai metacercariae in sweetfish, Plecoglossus altivelis, collected from several streams in eastern and southern coastal areas of Korea. The sweetfish collected were artificially digested with pepsin-HCl solution and examined under a stereomicroscope in August and September, 2007. Out of 145 sweetfish collected from 10 streams in eastern coasts (Gangwon-do and Gye-ongsangbuk-do), 88 (60.7%) were infected with Metagonimus metacercariae. The average metacercarial density was 61 per infected fish. Among 141 sweetfish collected from 10 streams in southern coasts (Gyeongsangnam-do, Ulsan Metropolitan city, and Jeollanam-do), 140 (99.3%) were infected with Metagonimus metacercariae, and their average density was 949 per infected fish. The present study confirmed that M. yokogawai metacercariae are still prevalent in the sweetfish from several eastern and southern coastal localities. The prevalence and metacercarial density were much higher in the sweetfish from streams of southern coasts than in those of eastern coasts. Therefore, attention should be paid to this small fluke infection, and consumption of raw sweetfish naturally produced in these areas should be prohibited.

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    Woon-Mok Sohn
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  • Infection Characteristics of Clonorchis sinensis Metacercariae in Fish from Republic of Korea
    Woon-Mok Sohn
    The Korean Journal of Parasitology.2022; 60(2): 79.     CrossRef
  • Infection Status with Metagonimus spp. Metacercariae in Fishes from Seomjin-gang and Tamjin-gang in Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Jung-Won Ju, Cheon-Hyeon Kim, Ki-Bok Yoon
    The Korean Journal of Parasitology.2018; 56(4): 351.     CrossRef
  • Infection Status with Clonorchis sinensis Metacercariae in Fish from Tamjin-gang (River) in Jeollanam-do, Republic of Korea
    Ki-Bok Yoon, Hyun-Cheol Lim, Doo Young Jeon, Sook Park, Shin-Hyeong Cho, Jung-Won Ju, Sung-Shik Shin, Byoung-Kuk Na, Woon-Mok Sohn
    The Korean Journal of Parasitology.2018; 56(2): 183.     CrossRef
  • Trematode Metacercariae in Freshwater Fish from Water Systems of Hantangang and Imjingang in Republic of Korea
    Woon-Mok Sohn, Byoung-Kuk Na, Shin-Hyeong Cho, Soon-Won Lee, Seung-Bong Choi, Won-Seok Seok
    The Korean Journal of Parasitology.2015; 53(3): 289.     CrossRef
  • Prevalence of Zoonotic Trematode Metacercariae in Freshwater Fish from Gangwon-do, Korea
    Shin-Hyeong Cho, Won-Ja Lee, Tong-Soo Kim, Won-Seok Seok, Taejoon Lee, Kyungjin Jeong, Byoung-Kuk Na, Woon-Mok Sohn
    The Korean Journal of Parasitology.2014; 52(4): 399.     CrossRef
  • Effect of citric acid on the acidification of artificial pepsin solution for metacercariae isolation from fish
    Min-Ki Kim, Kyoung-Ho Pyo, Young-Sang Hwang, Hyang Sook Chun, Ki Hwan Park, Seong-Hee Ko, Jong-Yil Chai, Eun-Hee Shin
    Veterinary Parasitology.2013; 198(1-2): 111.     CrossRef
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