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Original Articles
Spatiotemporal Clusters and Trends of Pneumocystis Pneumonia in Korea
Hwa Sun Kim, Ho-Woo Nam, Hye-Jin Ahn, Sang Haak Lee, Yeong Hoon Kim
Korean J Parasitol 2022;60(5):327-338.
Published online October 21, 2022
DOI: https://doi.org/10.3347/kjp.2022.60.5.327
This study determined the recent status and trend of Pneumocystis jirovecii pneumonia (PcP) in the non-human immunodeficiency virus (HIV) (non-HIV-PcP) and HIV (HIV-PcP) infected populations using data from the Health Insurance Review & Assessment Service (HIRA) and the Korea Disease Control and Prevention Agency (KDCA). SaTScan and Joinpoint were used for statistical analyses. Non-HIV-PcP cases showed an upward trend during the study period from 2010 to 2021, with the largest number in 2021 (551 cases). The upward trend was similar until 2020 after adjusting for the population. Seoul had the highest number of cases (1,597) in the non-HIV-PcP group, which was the same after adjusting for the population (162 cases/1,000,000). It was followed by Jeju-do (89 cases/1,000,000). The most likely cluster (MLC) for the non-HIV-PCP group was Seoul (Relative Risk (RR)=4.59, Log Likelihood Ratio (LLR)=825.531), followed by Jeju-do (RR=1.59, LLR=5.431). An upward trend was observed among the non-HIV-PcP group in the Jeju-do/Jeollanam-do/Jeollabuk-do/Gyeongsangnam-do/Busan/Daejeon/Daegu/Ulsan joint cluster (29.02%, LLR=11.638, P<0.001) located in the southern part of Korea. Both women and men in the non-HIV groups showed an overall upward trend of PcP during the study period. Men in the 60-69 age group had the highest annual percentage change (APC 41.8) during 2014-2019. In contrast, the HIV groups showed a falling trend of PcP recently. Men in the 60-69 age group had the most decrease (APC -17.6) during 2018-2021. This study provides an analytic basis for health measures and a nationwide epidemiological surveillance system for the management of PcP.

Citations

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  • Pneumonia incidence and determinants in South Punjab, Pakistan (2016–2020): a spatial epidemiological study at Tehsil-level
    Ömer Ünsal, Oliver Gruebner, Munazza Fatima
    International Journal of Health Geographics.2025;[Epub]     CrossRef
  • 4,152 View
  • 111 Download
  • 1 Web of Science
  • Crossref
Spatiotemporal Clusters and Trend of Trichomonas vaginalis Infection in Korea
Yeong Hoon Kim, Hye-Jin Ahn, Dongjae Kim, Ho-Woo Nam
Korean J Parasitol 2022;60(2):97-107.
Published online April 20, 2022
DOI: https://doi.org/10.3347/kjp.2022.60.2.97
This study was done to provide an overview of the latest trichomoniasis status in Korea by finding disease clusters and analyzing temporal trends during 2012-2020. Data were obtained from the Health Insurance Review & Assessment Service (HIRA) of Korea. SaTScan and Joinpoint programs were used for statistical analyses. Gyeonggi-do had the highest average population and highest number of cases. The high incidence of T. vaginalis infections were observed among women aged 40-49 and 30-39 years (33,830/year and 33,179/year, respectively). Similarly, the 40-49 and 30-39 age group in men showed the highest average cases (1,319/year and 1,282/year, respectively). Jeollabuk-do was the most likely cluster, followed by Busan/Gyeongsangnam-do/Ulsan/Daegu and Jeju-do and Gwangju. Urban and rural differences were prominent. Trichomoniasis has decreased significantly in most clusters, except for Incheon. Trichomoniasis was decreasing in women recently after peaking around 2014. Men showed different trends according to age. Trichomoniasis was increasing in the 10-39 age groups, but decreasing in the 40-59 age groups. This study might provide an analytic basis for future health measures, policy-makers, and health authorities in developing effective system for prevention of trichomoniasis.

Citations

Citations to this article as recorded by  Crossref logo
  • Clinical Characteristics of Vaginal Trichomoniasis Infection and Metronidazole Resistance in Vaginitis Patients
    Guixue Lv, Xunrong Cao, Chunfeng Zheng
    Infection and Drug Resistance.2025; Volume 18: 1161.     CrossRef
  • Prevalence of Trichomonas vaginalis Among Women in the Chinese Population: A Systematic Review and Meta-Analysis
    Shuang Li, Jiahui Xu, Sisi Ru, Changjun Hu, Chongyang Liu, Xingquan Sun, Heteng Guo, Xi Zhang
    Tropical Medicine and Infectious Disease.2025; 10(4): 113.     CrossRef
  • Molecular Identification Based on β-Tubulin of Trichomonas vaginalis Infection among Women in Babylon Province
    Zainab Waddah Kermasha, Hayam Khalis Al-Masoudi, Suhaila Fadhil Mohammed
    Medical Journal of Babylon.2024; 21(4): 1009.     CrossRef
  • Prevalence and metronidazole resistance of Trichomonas vaginalis among Japanese women in 2021
    Yumiko Saito-Nakano, Yuko Umeki, Chikako Shimokawa, Koichi Kobayashi, Koichi Hashimoto, Toshio Takada, Chinami Makii, Rie Hasebe, Yuri Yoshida, Riko Nakajima, Seiki Kobayashi, Hajime Hisaeda
    IJID Regions.2023; 7: 130.     CrossRef
  • 4,708 View
  • 214 Download
  • 4 Web of Science
  • 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
Korean J Parasitol 2021;59(6):585-593.
Published online December 22, 2021
DOI: https://doi.org/10.3347/kjp.2021.59.6.585
This study was done to provide an analytical overview on the latest malaria infection clusters by evaluating temporal trends during 2010-2019 in Korea. Incheon was the most likely cluster (MLC) for all cases of malaria during the total period. MLCs for P. falciparum, vivax, malariae, ovale, and clinically diagnosed malaria without parasitological confirmation were Jeollanam-do, Incheon, Gangwon-do, Gyeongsangnam-do, and Jeollabuk-do, respectively. Malaria was decreasing in most significant clusters, but Gwangju showed an increase for all cases of malaria, P. vivax and clinically diagnosed cases. Malaria overall, P. falciparum and P. vivax seem to be under control thanks to aggressive health measures. This study might provide a sound scientific basis for future control measures against malaria in Korea.

Citations

Citations to this article as recorded by  Crossref logo
  • List of occupational diseases among farmers in Korea: a literature review
    Hansoo Song, Seok-Ju Yoo, Won-Ju Park, Seunghyeon Cho, Ki Soo Park, Joo Hyun Sung, Sang Jin Park, Seong-yong Yoon, Kyeongsoo Kim, Dong-phil Choi, Hye-min Kim, Bounggyun Ju, Kanwoo Youn
    Ann Occup Environ Med.2025; 37: e2.     CrossRef
  • 2024년 수도권역 말라리아 환자 및 군집사례 발생 현황
    미정 고, 윤정 서, 현미 김, 경원 황
    Public Health Weekly Report.2025; 18(47): 1867.     CrossRef
  • Analysis of geometric morphometrics and molecular phylogeny for Anopheles species in the Republic of Korea
    Jiseung Jeon, Heung Chul Kim, Terry A. Klein, Kwang Shik Choi
    Scientific Reports.2023;[Epub]     CrossRef
  • Spatio‐temporal incidence of malaria patients in Incheon Metropolitan City
    Jung‐A An, Jeong Hyeon Lee, MyungDeok Kim-Jeon, Sung‐Jong Hong, Hyung Wook Kwon
    Entomological Research.2023; 53(12): 609.     CrossRef
  • 5,557 View
  • 135 Download
  • 3 Web of Science
  • Crossref
Spatiotemporal Trends of Malaria in Relation to Economic Development and Cross-Border Movement along the China?Myanmar Border in Yunnan Province
Xiaotao Zhao, Weerapong Thanapongtharm, Siam Lawawirojwong, Chun Wei, Yerong Tang, Yaowu Zhou, Xiaodong Sun, Jestumon Sattabongkot, Jaranit Kaewkungwal
Korean J Parasitol 2020;58(3):267-278.
Published online June 26, 2020
DOI: https://doi.org/10.3347/kjp.2020.58.3.267
The heterogeneity and complexity of malaria involves political and natural environments, socioeconomic development, cross-border movement, and vector biology; factors that cannot be changed in a short time. This study aimed to assess the impact of economic growth and cross-border movement, toward elimination of malaria in Yunnan Province during its pre-elimination phase. Malaria data during 2011-2016 were extracted from 18 counties of Yunnan and from 7 villages, 11 displaced person camps of the Kachin Special Region II of Myanmar. Data of per-capita gross domestic product (GDP) were obtained from Yunnan Bureau of Statistics. Data were analyzed and mapped to determine spatiotemporal heterogeneity at county and village levels. There were a total 2,117 malaria cases with 85.2% imported cases; most imported cases came from Myanmar (78.5%). Along the demarcation line, malaria incidence rates in villages/camps in Myanmar were significantly higher than those of the neighboring villages in China. The spatial and temporal trends suggested that increasing per-capita GDP may have an indirect effect on the reduction of malaria cases when observed at macro level; however, malaria persists owing to complex, multi-faceted factors including poverty at individual level and cross-border movement of the workforce. In moving toward malaria elimination, despite economic growth, cooperative efforts with neighboring countries are critical to interrupt local transmission and prevent reintroduction of malaria via imported cases. Cross-border workers should be educated in preventive measures through effective behavior change communication, and investment is needed in active surveillance systems and novel diagnostic and treatment services during the elimination phase.

Citations

Citations to this article as recorded by  Crossref logo
  • Molecular epidemiology of Clostridioides difficile in border areas of Yunnan Province suggests possible transmission routes of the strains
    Wenpeng Gu, Jiao Gong, Junrong Liang, Xiaofang Zhou, Lulu Bai, Wenzhu Zhang, Senquan Jia, Yongming Zhou, Xiaoqing Fu, Yuan Wu
    Infection, Genetics and Evolution.2025; 136: 105860.     CrossRef
  • Understanding the impact of mobility on Plasmodium spp. carriage in an Amazon cross-border area with low transmission rate
    Hélène Tréhard, Lise Musset, Yassamine Lazrek, Felix Djossou, Loïc Epelboin, Emmanuel Roux, Jordi Landier, Jean Gaudart, Emilie Mosnier, André Machado Siqueira
    PLOS Global Public Health.2024; 4(2): e0002706.     CrossRef
  • Malaria epidemiology, surveillance and response for elimination in Lao PDR
    Chawarat Rotejanaprasert, Vilayvone Malaphone, Mayfong Mayxay, Keobouphaphone Chindavongsa, Virasack Banouvong, Boualam Khamlome, Phoutnalong Vilay, Viengxay Vanisavaeth, Richard J Maude
    Infectious Diseases of Poverty.2024;[Epub]     CrossRef
  • A time-series meta-transcriptomic analysis reveals the seasonal, host, and gender structure of mosquito viromes
    Yun Feng, Qin-yu Gou, Wei-hong Yang, Wei-chen Wu, Juan Wang, Edward C Holmes, Guodong Liang, Mang Shi
    Virus Evolution.2022;[Epub]     CrossRef
  • Governance Quality, Public Health, Education, and Innovation: Study for Novel Implications
    Ning Wu
    Frontiers in Public Health.2022;[Epub]     CrossRef
  • Effectiveness of indoor residual spraying on malaria control: a systematic review and meta-analysis
    Yiguo Zhou, Wan-Xue Zhang, Elijah Tembo, Ming-Zhu Xie, Shan-Shan Zhang, Xin-Rui Wang, Ting-Ting Wei, Xin Feng, Yi-Lin Zhang, Juan Du, Ya-Qiong Liu, Xuan Zhang, Fuqiang Cui, Qing-Bin Lu
    Infectious Diseases of Poverty.2022;[Epub]     CrossRef
  • Risk factors associated with malaria infection along China–Myanmar border: a case–control study
    Jian-Wei Xu, Dao-Wei Deng, Chun Wei, Xing-Wu Zhou, Jian-Xiong Li
    Malaria Journal.2022;[Epub]     CrossRef
  • Malaria Research for Tailored Control and Elimination Strategies in the Greater Mekong Subregion
    Jetsumon Sattabongkot, Liwang Cui, Sirasate Bantuchai, Sadudee Chotirat, Jaranit Kaewkungwal, Amnat Khamsiriwatchara, Kirakorn Kiattibutr, Myat Phone Kyaw, Saranath Lawpoolsri, Nay Yi Yi Linn, Lynette Menezes, Jun Miao, Wang Nguitragool, Daniel Parker, Pa
    The American Journal of Tropical Medicine and Hygiene.2022; 107(4_Suppl): 152.     CrossRef
  • The economic burden of malaria inpatients and its determinants during China's elimination stage
    Fangfei Chen, Xiaoyu Chen, Peng Gu, Xiaodong Sang, Ruijun Wu, Miaomiao Tian, Yisheng Ye, Chengxu Long, Ghose Bishwajit, Lu Ji, Da Feng, Lei Yang, Shangfeng Tang
    Frontiers in Public Health.2022;[Epub]     CrossRef
  • From control to elimination: a spatial-temporal analysis of malaria along the China-Myanmar border
    Fang Huang, Li Zhang, Jing-Bo Xue, Hong-Ning Zhou, Aung Thi, Jun Zhang, Shui-Sen Zhou, Zhi-Gui Xia, Xiao-Nong Zhou
    Infectious Diseases of Poverty.2020;[Epub]     CrossRef
  • 7,163 View
  • 116 Download
  • 12 Web of Science
  • Crossref
Epidemiologic Trends and Seasonality of Scabies in South Korea, 2010-2017
Jong-Hun Kim, Hae-Kwan Cheong
Korean J Parasitol 2019;57(4):399-404.
Published online August 31, 2019
DOI: https://doi.org/10.3347/kjp.2019.57.4.399
Scabies is a parasitic skin infection with intense itching. Scabies infection seriously impairs quality of life, while outbreaks in medical institutions cause financial losses. This study aimed to present the annual and seasonal trend of prevalence of scabies in the national population. Scabies cases were extracted from National Health Insurance Service database and its epidemiologic characteristics were assessed. To analyze the seasonality of scabies occurrence, temperature and humidity were included in the model as weather factors, and the per capita gross national income index was adjusted. The annual prevalence by age group was 0.56-0.69 per 1,000 persons until the age of 40 years and peaked at 3.0-4.1 per 1,000 persons in the age group over 80 years. The number of women diagnosed with scabies has been consistently higher compared to that of men since 2010. Mean number of cases diagnosed as scabies was lowest in spring, approximately 4,000 cases, when the average temperature was less than 5°C at 2 months prior, whereas more than 6,000 scabies cases occurred in autumn when temperatures exceeded 25°C at 2 months prior. This study presents the epidemiological characteristics and seasonality of all cases nationwide over 8 years and will help to establish control policies.

Citations

Citations to this article as recorded by  Crossref logo
  • Scabies increasing incidence in Bologna from 2013 to 2024: a retrospective analysis
    Corrado Zengarini, Martina Mussi, Michelangelo La Placa, Alessandro Pileri, Anna Lucia Virdi, Marco Chessa, Federico Bardazzi, Carlotta Gurioli, Michela Starace, Valeria Gaspari, Cosimo Misciali, Fortunato Cassalia, Bianca Maria Piraccini, Iria Neri
    Sexually Transmitted Infections.2025; 101(4): 256.     CrossRef
  • Epidemiological characteristics of patients with scabies at a Korean university hospital: a single-center retrospective study
    Hye Eun Hwang, Jae Sim Jeong, Yang Ree Kim, Ji young Lee
    Journal of Korean Biological Nursing Science.2025; 27(1): 133.     CrossRef
  • Clinical practice guidelines for the diagnosis and treatment of scabies in Korea: Part 1. Epidemiology, clinical manifestations, and diagnosis — a secondary publication
    Jin Park, Soon-Hyo Kwon, Young Bok Lee, Hei Sung Kim, Jie Hyun Jeon, Gwang Seong Choi
    The Ewha Medical Journal.2024;[Epub]     CrossRef
  • Detecting spatial clusters of human scabies in Tigray, Ethiopia from 2018 to 2023
    Akeza Awealom Asgedom, Micheale Hagos Debesay, Chigozie Louisa J. Ugwu, Woldegebriel Assefa Woldegerima
    BMC Infectious Diseases.2024;[Epub]     CrossRef
  • Scabies in 604 Patients: A Glimpse into the Disease Burden and Its Associated Mortality in Hong Kong
    Pascoe Ao Ting Lee, Samson Sai-Yin Wong, Kenneth Ho Leung Ng
    Tropical Medicine and Infectious Disease.2024; 9(10): 245.     CrossRef
  • A Survey on Scabies Inpatients in South Korea Based on Health Insurance Claims Data from 2010 to 2019
    Hyung-Seon Kim, Jji-Ya Bang, Kyung-Sook Cha
    Healthcare.2023; 11(6): 841.     CrossRef
  • Epidemiology and pathogenesis of scabies
    Hye Jung Jung
    Journal of the Korean Medical Association.2023; 66(12): 701.     CrossRef
  • The History, Domestic and International Epidemiology, and Prospects of Scabies that Need Attention
    Eunjung Lee, Yae Jee Baek, Jongtak Jung, Tae Hyong Kim
    Korean Journal of Healthcare-Associated Infection Control and Prevention.2023; 28(2): 210.     CrossRef
  • Scabies incidence and association with skin and soft tissue infection in Loyalty Islands Province, New Caledonia: A 15-year retrospective observational study using electronic health records
    Yves-Marie Ducrot, Enzo Bruno, Jean-Marc Franco, Loïc Raffray, Samuel Beneteau, Antoine Bertolotti, Michael Marks
    PLOS Neglected Tropical Diseases.2022; 16(9): e0010717.     CrossRef
  • Increased Scabies Incidence at the Beginning of the 21st Century: What Do Reports from Europe and the World Show?
    Marija Delaš Aždajić, Iva Bešlić, Ana Gašić, Nikola Ferara, Lovre Pedić, Liborija Lugović-Mihić
    Life.2022; 12(10): 1598.     CrossRef
  • Polycystic Ovary Syndrome and Endometriosis as Reasons for Women’s Admission to Outpatient Specialist Care in Poland—A Retrospective Analysis
    Ewa Rzońca, Arkadiusz Kosowski, Agnieszka Bień, Joanna Gotlib, Arkadiusz Wejnarski, Marta Jarzębowska, Robert Gałązkowski, Patryk Rzońca
    International Journal of Environmental Research and Public Health.2021; 18(4): 1442.     CrossRef
  • Risk factors for scabies, tungiasis, and tinea infections among schoolchildren in southern Ethiopia: A cross-sectional Bayesian multilevel model
    Hiwot Hailu Amare, Bernt Lindtjorn, Uwem Friday Ekpo
    PLOS Neglected Tropical Diseases.2021; 15(10): e0009816.     CrossRef
  • Previous Long-term Care Facility Admission as a Risk Factor for Scabies in a Medical Facility
    Eunyoung Lee, Se Yoon Park, Eunjung Lee, Tae Hyong Kim
    Journal of Korean Medical Science.2021;[Epub]     CrossRef
  • Evaluación del índice de pobreza hídrica (WPI) en la cuenca de Borujerd-Dorood (Irán) para reforzar los planes de gestión del territorio
    Mohammadreza Goodarzi, Rabi H. Mohtar, Mahboobeh Kiani-Harchegani, Alireza Faraji, Faeze Mankavi, Jesús Rodrigo-Comino
    Pirineos.2021; 176: e064.     CrossRef
  • 8,533 View
  • 167 Download
  • 18 Web of Science
  • Crossref