Parasites, Hosts and Diseases

"worm burden"

Articles from Symposium on Asian Taenia (October 2011, Osong, Korea)

Current Status of Taeniasis in Thailand: Malinee Thairungroj Anantaphruti; Korean J Parasitol 2013;51(1):37-42.
Published online February 18, 2013; DOI: https://doi.org/10.3347/kjp.2013.51.1.37

Abstract
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Taeniasis is prevalent in all regions of Thailand, except the South. Infections were more frequently found in males than females of any age from 7-83 years. Taenia saginata is the most common species throughout the country. Taenia asiatica was reported only in the province of Kanchanaburi in the Central region. Co-infections, with Taenia solium and T. asiatica or T. solium and T. saginata, were found. Hybridization between T. asiatica and T. saginata is evidence that co-infection is never found between these 2 species. Finding more than 1 worm in a single patient was not entirely rare. Genetic variation was found without correlation to its geographic distribution in T. saginata, whereas no variation was found in T. asiatica.

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Wuttipong Phumrattanaprapin, Nitima Tatiya-apiradee, Pattana Jantaban, Wiriya Mahikul, Gideon Zulu
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Luis Enrique Jerez Puebla, Fidel A. Núñez Fernández, Jorge Fraga Nodarse, Raul Cordovi Prado, Iraís Atencio Millán, Iredys Cruz Rodríguez, Rigoberto Fimia Duarte, Marina del Carmen Sánchez Romero, Sahily de la Caridad Ortega Medina, Ubaldo del Risco, Liss
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Epidemiology of Taenia saginata taeniosis/cysticercosis: a systematic review of the distribution in East, Southeast and South Asia
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Akira Ito, Tiaoying Li, Toni Wandra, Paron Dekumyoy, Tetsuya Yanagida, Munehiro Okamoto, Christine M Budke
Acta Tropica.2019; 198: 105075. CrossRef
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Journal of Veterinary Medicine.2016; 2016: 1. CrossRef
Epidemiology and genetic diversity of Taenia asiatica: a systematic review
Anita Ale, Bjorn Victor, Nicolas Praet, Sarah Gabriël, Niko Speybroeck, Pierre Dorny, Brecht Devleesschauwer
Parasites & Vectors.2014;[Epub] CrossRef
Current Status of Taeniasis in Thailand
Malinee Thairungroj Anantaphruti
The Korean Journal of Parasitology.2013; 51(1): 37. CrossRef
Genetic Diversity of Taenia asiatica from Thailand and Other Geographical Locations as Revealed by Cytochrome c Oxidase Subunit 1 Sequences
Malinee Thairungroj Anantaphruti, Urusa Thaenkham, Dorn Watthanakulpanich, Orawan Phuphisut, Wanna Maipanich, Tippayarat Yoonuan, Supaporn Nuamtanong, Somjit Pubampen, Surapol Sanguankiat
The Korean Journal of Parasitology.2013; 51(1): 55. CrossRef

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Brief Communications

Apodemus agrarius as a new definitive host for Neodiplostomum seoulense: Jong-Yil Chai, Jae-Hwan Park, Sang-Mee Guk, Jae-Lip Kim, Hyo-Jin Kim, Won-Hee Kim, Eun-Hee Shin, Terry A. Klein, Heung-Chul Kim, Sung-Tae Chong, Jin-Won Song, Luck-Ju Baek; Korean J Parasitol 2007;45(2):157-161.
Published online June 20, 2007; DOI: https://doi.org/10.3347/kjp.2007.45.2.157

Abstract
PDF

A total of 1,496 rodents and insectivores were live-trapped at Yeoncheon-gun (n = 351), Paju-shi (804), and Pocheon-gun (343), Gyeonggi-do (Province), and examined for intestinal helminths, including Neodiplostomum seoulense, seasonally from December 2004 to September 2005. Six species of rodents, including Apodemus agrarius (1,366), Mus musculus (32), Micronytus fortis (28), Eothenomys regulus (9), Micronys minutus (6), and Cricetulus triton (3), and 1 species of insectivores Crocidura lasiura (54) were collected. A total of 321 adult N. seoulense were collected from 19 (1.4%) A. agrarius. The worm burden ranged from 1 to 101 per A. agrarius (mean; 16.9). No N. seoulense was observed in other rodent or insectivore species examined. The infection rate during autumn (4.5%) was higher than those during spring (0.8%), summer (0.8%), and winter (0.5%). The average number of N. seoulense in infected A. agrarius was the highest in spring (66.0 specimens), followed by autumn (15.2), winter (4.5), and summer (3.3). This study first confirms that A. agrarius is a natural definitive host for N. seoulense, and demonstrates that the infection rates and intensities vary seasonally and geographically.

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The genetic structure of populations of Isthmiophora melis (Schrank, 1788) (Digenea: Echinostomatidae). Does the host’s diet matter?
Grzegorz Zaleśny, Gerard Kanarek, Ewa Pyrka, Marta Kołodziej-Sobocińska, Andrzej Zalewski, Joanna Hildebrand
Parasites & Vectors.2023;[Epub] CrossRef
Neodiplostomum cf. seoulense (Seo, Rim, Lee, 1964) sensu Pyo et al., 2014 (Trematoda: Diplostomidae Poirier, 1886): morphology, life cycle, and phylogenetic relationships
A. V. Izrailskaia, V. V. Besprozvannykh
Journal of Helminthology.2023;[Epub] CrossRef
Intestinal Helminthic Infections in Striped Field Mice,Apodemus agrarius, from Two Southern Regions of Korea
Woon-Mok Sohn, Byoung-Kuk Na, Hyeon-Je Song, Chung-Mo Kim, Gi-Jin Nam
The Korean Journal of Parasitology.2014; 52(4): 419. CrossRef
Trematodes Recovered in the Small Intestine of Stray Cats in the Republic of Korea
Jong-Yil Chai, Young Yil Bahk, Woon-Mok Sohn
The Korean Journal of Parasitology.2013; 51(1): 99. CrossRef
Ecological surveillance of small mammals at Dagmar North Training Area, Gyeonggi Province, Republic of Korea, 2001-2005
Heung Chul Kim, Terry A. Klein, Hae Ji Kang, Se Hun Gu, Sung Sil Moon, Luck Ju Baek, Sung Tae Chong, Monica L. O'Guinn, John S. Lee, Michael J. Turell, Jin-Won Song
Journal of Vector Ecology.2011; 36(1): 42. CrossRef
Echinostome Infections in the Striped-Field Mouse, Apodemus agrarius, and the Ussuri White-Toothed Shrew, Crocidura lasiura, Caught Near the Demilitarized Zone, Gyeonggi-do (Province), Republic of Korea
Jong-Yil Chai, Jae-Hwan Park, Bong-Kwang Jung, Sang-Mee Guk, Jae-Lip Kim, Eun-Hee Shin, Terry A. Klein, Heung-Chul Kim, Sung-Tae Chong, Luck Ju Baek, Jin-Won Song
The Korean Journal of Parasitology.2009; 47(3): 311. CrossRef
Foodborne Intestinal Flukes in Southeast Asia
Jong-Yil Chai, Eun-Hee Shin, Soon-Hyung Lee, Han-Jong Rim
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A New Neodiplostomid (Digenea) From the Intestine of Chicks Infected with Metacercariae From the Grass Snake, Rhabdophis tigrina
Eun-Hee Shin, Jae-Lip Kim, Jong-Yil Chai
Journal of Parasitology.2008; 94(6): 1379. CrossRef
Ecological surveillance of small mammals at Firing Points 10 and 60, Gyeonggi Province, Republic of Korea, 2001–2005
Monica L. O'Guinn, Terry A. Klein, John S. Lee, Heung-Chul Kim, Luck-Ju Baek, Sung-Tae Chong, Michael J. Turell, Douglas A. Burkett, Anthony Schuster, In-Yong Lee, Suk-Hee Yi, William J. Sames, Ki-Joon Song, Jin-Won Song
Journal of Vector Ecology.2008; 33(2): 370. CrossRef

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Plagiorchis muris infection in Apodemus agrarius from northern Gyeonggi-do (Province) near the demilitarized zone: Jong-Yil Chai, Jae-Hwan Park, Sang-Mee Guk, Jae-Lip Kim, Hyo-Jin Kim, Won-Hee Kim, Eun-Hee Shin, Terry A. Klein, Heung-Chul Kim, Sung-Tae Chong, Jin-Won Song, Luck-Ju Baek; Korean J Parasitol 2007;45(2):153-156.
Published online June 20, 2007; DOI: https://doi.org/10.3347/kjp.2007.45.2.153

Abstract
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The small intestines of 6 species of rodents and 1 species of insectivore were examined seasonally for Plagiorchis muris infection in 3 different localities in northern Gyeonggi-do (Province), near the demilitarized zone (DMZ). A total of 1,496 animals, including 1,366 Apodemus agrarius, 54 Crocidura lasiura (insectivore), 32 Mus musculus, 28 Micronytus fortis, 9 Eothenomys regulus, 6 Micronys minutus, and 3 Cricetulus triton, were live-trapped at Yeoncheon-gun (n = 351), Paju-shi (804) and Pocheon-gun (343) at 3-mo intervals from December 2004 to September 2005. A total of 1,647 P. muris were collected from 72 (5.3%) A. agrarius. The infection rate was the highest in Pocheon-gun (8.2%), followed by Yeoncheon-gun (5.0%) and Paju-shi (4.2%). A higher infection rate was observed in A. agrarius captured during September (19.4%) than those captured during December (3.0%), June (2.6%), or April (0%). However, the worm burden was the highest in June (av. 32.1/animal), followed by September (24.7), December (4.0), and April (0). None of the other animal species were found infected with P. muris. The results reveal that A. agrarius is a natural definitive host for P. muris, and infection rates and worm burdens vary seasonally and geographically.

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Parasites & Vectors.2022;[Epub] CrossRef
Infections of Intestinal Helminth at Two Species of Field Mice, Apodemus agrarius and A. Peninsulae, in Gangwondo and Chungcheongnam-do, Korea
Jae-Hyung Lee, Shuang Gong, Yung Chul Park, Hyun-Ju Kim, In-Wook Choi, Young-Ha Lee
The Korean Journal of Parasitology.2018; 56(3): 301. CrossRef
A molecular and ecological analysis of the trematodePlagiorchis elegansin the wood mouseApodemus sylvaticusfrom a periaquatic ecosystem in the UK
K. Boyce, G. Hide, P.S. Craig, C. Reynolds, M. Hussain, A.J. Bodell, H. Bradshaw, A. Pickles, M.T. Rogan
Journal of Helminthology.2014; 88(3): 310. CrossRef
Intestinal Helminthic Infections in Striped Field Mice,Apodemus agrarius, from Two Southern Regions of Korea
Woon-Mok Sohn, Byoung-Kuk Na, Hyeon-Je Song, Chung-Mo Kim, Gi-Jin Nam
The Korean Journal of Parasitology.2014; 52(4): 419. CrossRef
Trematodes Recovered in the Small Intestine of Stray Cats in the Republic of Korea
Jong-Yil Chai, Young Yil Bahk, Woon-Mok Sohn
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Young-Il Lee, Hee-Jang Pyeon, Min Seo
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Echinostome Infections in the Striped-Field Mouse, Apodemus agrarius, and the Ussuri White-Toothed Shrew, Crocidura lasiura, Caught Near the Demilitarized Zone, Gyeonggi-do (Province), Republic of Korea
Jong-Yil Chai, Jae-Hwan Park, Bong-Kwang Jung, Sang-Mee Guk, Jae-Lip Kim, Eun-Hee Shin, Terry A. Klein, Heung-Chul Kim, Sung-Tae Chong, Luck Ju Baek, Jin-Won Song
The Korean Journal of Parasitology.2009; 47(3): 311. CrossRef

8,841 View
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Original Articles

Prevalence of Gymnophalloides seoi infection in coastal villages of Haenam-gun and Yeongam-gun, Republic of Korea: Sang-Mee Guk, Jae-Hwan Park, Eun-Hee Shin, Jae-Lip Kim, Aifen Lin, Jong-Yil Chai; Korean J Parasitol 2006;44(1):1-5.
Published online March 20, 2006; DOI: https://doi.org/10.3347/kjp.2006.44.1.1

Abstract
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One coastal village in Haenam-gun and two in Yeongam-gun, Jeollanam-do were surveyed for intestinal parasite infections by fecal examination. The egg positive rates of Gymnophalloides seoi were high, 24.1% (14/58) in Haenam-gun and 9.3% (11/118) in Yeongam-gun. The egg positive rates of heterophyids, including Heterophyes nocens, and of Clonorchis sinensis were 10.3% and 6.9% in Haenam-gun, and 14.4% and 8.5% in Yeongam-gun, respectively. After praziquantel treatment and purgation, a total of 37,761 fluke specimens were recovered from 17 patients; 11 in Haenam-gun and 6 in Yeongam-gun. Gymnophalloides seoi was the most commonly recovered species, with 37,489 specimens in total (2,205 per person). Other recovered flukes included Heterophyes nocens, Stictodora fuscata, Heterophyopsis continua, Pygidiopsis summa, and undetermined species. These results indicate that the areas surveyed are new endemic foci of G. seoi.

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High sensitivity detection of Clonorchis sinensis and Gymnophalloides seoi in food by new real-time gene amplification method
Min Ji Hong, Mi-Gyeong Kim, Doo Won Seo, Hyun Mi Jung, Hyun-Ja Han, Seung Hwan Kim, Insun Joo
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Polar Biology.2020; 43(6): 725. 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
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The Korean Journal of Parasitology.2016; 54(4): 497. CrossRef
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Eun Jeong Won, Soo Hyun Kim, Seung Jung Kee, Jong Hee Shin, Soon Pal Suh, Jong Yil Chai, Dong Wook Ryang, Myung Geun Shin, Mark Spigelman
PLOS ONE.2016; 11(11): e0166957. CrossRef
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Increased Intestinal Epithelial Cell Turnover and Intestinal Motility in Gymnophalloides seoi-Infected C57BL/6 Mice
Sang Hyub Lee, Bong-Kwang Jung, Jae-Hwan Park, Eun-Hee Shin, Jong-Yil Chai
The Korean Journal of Parasitology.2014; 52(3): 273. CrossRef
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Jong-Yil Chai, Eun-Hee Shin, Soon-Hyung Lee, Han-Jong Rim
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Eun-Hee Shin, Sang-Mee Guk, Hyo-Jin Kim, Soon-Hyung Lee, Jong-Yil Chai
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A new endemic focus of Heterophyes nocens and other heterophyid infections in a coastal area of Gangjin-gun, Jeollanam-do
Jae-Hwan Park, Jae-Lip Kim, Eun-Hee Shin, Sang-Mee Guk, Yun-Kyu Park, Jong-Yil Chai
The Korean Journal of Parasitology.2007; 45(1): 33. CrossRef

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Persistent endemicity of Gymnophalloides seoi infection in a southwestern coastal village of Korea with special reference to its egg laying capacity in the human host: Jong-Yil Chai, Geun Chan Lee, Yun-Kyu Park, Eun-Taek Han, Min Seo, Jin Kim, Sang-Mee Guk, Eun-Hee Shin, Min-Ho Choi, Soon-Hyung Lee; Korean J Parasitol 2000;38(2):51-57.
Published online June 30, 2000; DOI: https://doi.org/10.3347/kjp.2000.38.2.51

Abstract
PDF

Follow-up studies have been conducted every three years on the endemicity of Gymnophalloides seoi infection in a small coastal village of Chollanam-do (Province), Korea, since it was first known as an endemic area in 1994. Special attention was given to its egg laying capacity in the human host. In fecal examinations, the overall helminth egg and/or cyst positive rate was 78.7% (74/94) in 1997 and 76.6% (82/107) in 2000. Among them G. seoi eggs showed the highest rate; 71.3% (67/94) in 1997 and 72.0% (77/107) in 2000. The average number of eggs per gram of feces (EPG) was 1,015 in 1997, while a reduced rate of 353 was observed in 2000. In 1997, total of 320,677 adult flukes of G. seoi (av. 10,344/person, 94-69,125 in range) were collected from the diarrheic stools of 31 treated patients. The EPG/worm obtained from 21 cases ranged from 0.04 to 0.77 (av. 0.23), suggesting density-dependent constraints on the worm fecundity. The relationship between the worm burden (X) and EPG/worm (Y) can be expressed as Y=0.42 ·e^-1.2χ (r=0.49). The results showed that G. seoi infection is persistently endemic in this village.

Citations

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A survey of Heterophyes nocens and Pygidiopsis summa metacercariae in mullets and gobies along the coastal areas of the Republic of Korea
Sang-Mee Guk, Eun-Hee Shin, Jae-Lip Kim, Woon-Mok Sohn, Kwang-Sun Hong, Cheong-Ha Yoon, Soon-Hyung Lee, Han-Jong Rim, Jong-Yil Chai
The Korean Journal of Parasitology.2007; 45(3): 205. CrossRef
A new endemic focus of Heterophyes nocens and other heterophyid infections in a coastal area of Gangjin-gun, Jeollanam-do
Jae-Hwan Park, Jae-Lip Kim, Eun-Hee Shin, Sang-Mee Guk, Yun-Kyu Park, Jong-Yil Chai
The Korean Journal of Parasitology.2007; 45(1): 33. CrossRef
A new endemic focus of Gymnophalloides seoi infection on Aphae Island, Shinan-gun, Jeollanam-do
Jae-Hwan Park, Sang-Mee Guk, Eun-Hee Shin, Hyo-Jin Kim, Jae-Lip Kim, Min Seo, Yun-Kyu Park, Jong-Yil Chai
The Korean Journal of Parasitology.2007; 45(1): 39. CrossRef
Collection of Clonorchis sinensis adult worms from infected humans after praziquantel treatment
Chenghua Shen, Jae-hwan Kim, Jeong-Keun Lee, Young Mee Bae, Min-Ho Choi, Jin-Kyoung Oh, Min Kyung Lim, Hai-Rim Shin, Sung-Tae Hong
The Korean Journal of Parasitology.2007; 45(2): 149. CrossRef
Prevalence of Gymnophalloides seoi infection in coastal villages of Haenam-gun and Yeongam-gun, Republic of Korea
Sang-Mee Guk, Jae-Hwan Park, Eun-Hee Shin, Jae-Lip Kim, Aifen Lin, Jong-Yil Chai
The Korean Journal of Parasitology.2006; 44(1): 1. CrossRef
A case of colonic lymphoid tissue invasion by Gymnophalloides seoi in a Korean man
Min Seo, Hokyung Chun, Geunghwan Ahn, Kee-Taek Jang, Sang-Mee Guk, Jong-Yil Chai
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Journal of Parasitology.2002; 88(3): 627. CrossRef
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