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Yong-Suk Ryang	9 Articles
Parvatrema chaii n. sp. (Digenea: Gymnophallidae) from mice experimentally infected with metacercariae collected from surf-clam, Mactra veneriformis Woon-Mok Sohn, Byoung-Kuk Na, Yong-Suk Ryang, Hilda Lei Ching, Soon-Hyung Lee Korean J Parasitol 2007;45(2):115-120. Published online June 20, 2007 DOI: https://doi.org/10.3347/kjp.2007.45.2.115 Abstract PDF Parvatrema chaii n. sp. (Digenea: Gymnophallidae) is described using the worms recovered from experimentally infected mice in Korea. The metacercariae were collected from surf-clams, Mactra veneriformis, from a tidal flat in Sochon-gun, Chungchongnam-do. The metacercariae were elliptical (0.262 × 0.132 mm), and the genital pore had an anterior arch of 16-17 sensory papillae in scanning electron microscopic view. Adult worms were ovoid to foliate (0.275-0.303 by 0.140-0.150 mm), and their characteristic features included the presence of lateral lips, short esophagus, genital pore located some distance anterior to the ventral sucker, club-shaped seminal vesicle, a compact to slightly lobed vitellarium, elliptical eggs (0.018-0.020 by 0.010-0.013 mm), and absence of the ventral pit. This gymnophallid is classified as a member of the genus Parvatrema because of the location of the wide genital pore some distance from the ventral sucker, and the absence of the ventral pit. It differs from previously reported Parvatrema species, including the type species, P. borinquenae. In particular, the morphologies of the vitellarium and the genital pore with an anterior arch of 16-17 sensory papillae are unique features. Therefore, we propose it as a new species, Parvatrema chaii n. sp. (Digenea: Gymnophallidae). Citations Citations to this article as recorded by Parvatrema spp. (Digenea, Gymnophallidae) with parthenogenetic metacercariae: diversity, distribution and host specificity in the palaearctic Kirill V. Galaktionov, Anna Gonchar, Daria Postanogova, Aleksei Miroliubov, Semen Yu. Bodrov International Journal for Parasitology.2024;[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 characterization of larval digenean trematodes (Parvatrema: Gymnophallidae) and their pathological effects on the clam Leukoma thaca (=Protothaca thaca) (Bivalvia:Veneridae) (Molina, 1782) from northern Chile Diana Montenegro, María Soledad Romero, María Teresa González Parasitology International.2021; 80: 102238. 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 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 The Korean Journal of Parasitology.2017; 55(4): 399. CrossRef Enigmatic septa in shells of some Middle Jurassic Pholadomya (Bivalvia) from Poland Przemysław Sztajner Lethaia.2016; 49(3): 351. CrossRef Two new species of Parspina Pearse, 1920 (Digenea: Cryptogonimidae) from freshwater fishes (Gymnotiformes) of the Paraná River basin in Argentina Margarita C. Ostrowski de Núñez, Nathalia J. Arredondo, Alicia A. Gil de Pertierra Systematic Parasitology.2011; 80(1): 67. CrossRef Redescription of Parspina argentinensis (Szidat, 1954) (Digenea: Cryptogonimidae) from freshwater fishes (Pimelodidae) in the basins of the Paraná and La Plata Rivers, Argentina, with comments on P. bagre Pearse, 1920 Margarita C. Ostrowski de Núñez, Nathalia J. Arredondo, Irene L. Doma, Alicia A. Gil de Pertierra Systematic Parasitology.2011; 78(1): 27. CrossRef Discovery ofParvatrema duboisiandParvatrema homoeotecnum(Digenea: Gymnophallidae) from Migratory Birds in Korea Ok-Sik Chung, Hye-Jung Lee, Woon-Mok Sohn, Yun-Kyu Park, Jong-Yil Chai, Min Seo The Korean Journal of Parasitology.2010; 48(3): 271. CrossRef Mactra veneriformis, an Intertidal Clam, as a New Second Intermediate Host for Acanthoparyphium marilae (Digenea: Echinostomatidae) Eun-Taek Han, Jong-Yil Chai The Korean Journal of Parasitology.2008; 46(2): 101. CrossRef 9,293 View 87 Download Crossref Status of intestinal parasite infections among children in Bat Dambang, Cambodia Seung Kyu Park, Dong-Heui Kim, Young-Kun Deung, Hun-Joo Kim, Eun-Ju Yang, Soo-Jung Lim, Yong-Suk Ryang, Dan Jin, Kyu-Jae Lee Korean J Parasitol 2004;42(4):201-203. Published online December 20, 2004 DOI: https://doi.org/10.3347/kjp.2004.42.4.201 Abstract PDF A survey was conducted to determine the extent of intestinal parasite infection in Bat Dambang, Cambodia in March 2004. A total of 623 fecal specimens was collected from kindergarten and schoolchildren and examined using the formalin-ether sedimentation technique. The overall infection rate of intestinal parasites was 25.7% (boys, 26.2%; girls, 25.1%), and the infection rates of intestinal helminthes by species were as follows: Echinostoma sp. 4.8%, hookworm 3.4%, Hymenolepis nana 1.3%, and Rhabditis sp. 1.3%. The infection rates of intestinal protozoa were; Entamoeba coli 4.8%, Giardia lamblia 2.9%, Iodamoeba butschlii 1.4%, Entamoeba polecki 1.1%, and Entamoeba histolytica 0.8%. There were no egg positive cases of Ascaris lumbricoides or Trichuris trichiura. All children infected were treated with albendazole, praziquantel, or metronidazole according to parasite species. The results showed that intestinal parasites are highly endemic in Bat Dambang, Cambodia. Citations Citations to this article as recorded by Aspects of Genetic Diversity, Host Specificity and Public Health Significance of Single‐Celled Intestinal Parasites Commonly Observed in Humans and Mostly Referred to as ‘Non‐Pathogenic’ Christen Rune Stensvold APMIS.2025;[Epub] CrossRef *Retrospective and Histopathological Studies of Entamoeba* spp. and Other Pathogens Associated with Diarrhea and Wasting in Pigs in Aichi Prefecture, Japan** Tetsuya KOMATSU, Makoto MATSUBAYASHI, Naoko MURAKOSHI, Kazumi SASAI, Tomoyuki SHIBAHARA Japan Agricultural Research Quarterly: JARQ.2019; 53(1): 59. CrossRef Prevalence of Hookworm infection and Strongyloidiasis in Cats and Potential Risk Factor of Human Diseases Blego Sedionoto, Witthaya Anamnart, Hadiyanto, Sudarno, Maryono E3S Web of Conferences.2018; 31: 06002. CrossRef Intestinal parasitic infections: Current prevalence and risk factors among schoolchildren in capital area of the Republic of Marshall Islands Chien-Wei Liao, Ting-Wu Chuang, Ying-Chieh Huang, Chia-Mei Chou, Chia-Lien Chiang, Fei-Peng Lee, Yun-Ting Hsu, Jia-Wei Lin, Kennar Briand, Chia-Ying Tu, Chia-Kwung Fan Acta Tropica.2017; 176: 242. CrossRef Prevalence of Intestinal Protozoans among Schoolchildren in Suburban Areas near Yangon, Myanmar Min-Jae Kim, Bong-Kwang Jung, Jaeeun Cho, Deok-Gyu Kim, Hyemi Song, Keon-Hoon Lee, Seon Cho, Thi Thi Htoon, Htay Htay Tin, Jong-Yil Chai The Korean Journal of Parasitology.2016; 54(3): 345. CrossRef Molecular Characterization of Cryptosporidium Species and Giardia duodenalis from Symptomatic Cambodian Children Catrin E. Moore, Kristin Elwin, Nget Phot, Chanthou Seng, Saroeun Mao, Kuong Suy, Varun Kumar, Johanna Nader, Rachel Bousfield, Sanuki Perera, J. Wendi Bailey, Nicholas J. Beeching, Nicholas P. J. Day, Christopher M. Parry, Rachel M. Chalmers, James S McC PLOS Neglected Tropical Diseases.2016; 10(7): e0004822. CrossRef High prevalence of large trematode eggs in schoolchildren in Cambodia Philipp J. Bless, Fabian Schär, Virak Khieu, Stefanie Kramme, Sinuon Muth, Hanspeter Marti, Peter Odermatt Acta Tropica.2015; 141: 295. CrossRef Potentially Zoonotic Helminthiases of Murid Rodents from the Indo-Chinese Peninsula: Impact of Habitat and the Risk of Human Infection Kittipong Chaisiri, Praphaiphat Siribat, Alexis Ribas, Serge Morand Vector-Borne and Zoonotic Diseases.2015; 15(1): 73. CrossRef A survey for potentially zoonotic gastrointestinal parasites of dogs and pigs in Cambodia Tawin Inpankaew, K. Darwin Murrell, Nongnuch Pinyopanuwat, Chamnan Chhoun, Kuong Khov, Tharin Sem, San Sorn, Sinuon Muth, Anders Dalsgaard Acta Parasitologica.2015;[Epub] CrossRef Intestinal Parasite Infections in Symptomatic Children Attending Hospital in Siem Reap, Cambodia Catrin E. Moore, Phot Nget, Mao Saroeun, Suy Kuong, Seng Chanthou, Varun Kumar, Rachel Bousfield, Johanna Nader, J. Wendi Bailey, Nicholas J. Beeching, Nicholas P. Day, Christopher M. Parry, William A Paxton PLOS ONE.2015; 10(5): e0123719. CrossRef Ultrastructural characteristics and molecular identification of Entamoeba suis isolated from pigs with hemorrhagic colitis: implications for pathogenicity Makoto Matsubayashi, Fumiko Suzuta, Yoshimi Terayama, Kengo Shimojo, Takeshi Yui, Makoto Haritani, Tomoyuki Shibahara Parasitology Research.2014; 113(8): 3023. CrossRef The prevalence and diversity of intestinal parasitic infections in humans and domestic animals in a rural Cambodian village Fabian Schär, Tawin Inpankaew, Rebecca J. Traub, Virak Khieu, Anders Dalsgaard, Wissanuwat Chimnoi, Chamnan Chhoun, Daream Sok, Hanspeter Marti, Sinuon Muth, Peter Odermatt Parasitology International.2014; 63(4): 597. CrossRef Prevalence of Intestinal Parasitic Infections Among Rural Inhabitants of Hamadan City, Iran, 2012 Rasool Jafari, Mohammad Fallah, Hossein Yousofi Darani, Hosein Ali Yousefi, Mohammad Ali Mohaghegh, Milad Latifi, Mohammad Sadaghian, Amir Hossein Maghsood Avicenna Journal of Clinical Microbiology and Infection.2014; 1(2): 21445. CrossRef Hsp90 Inhibitors as New Leads To Target Parasitic Diarrheal Diseases Anjan Debnath, Dea Shahinas, Clifford Bryant, Ken Hirata, Yukiko Miyamoto, Grace Hwang, Jiri Gut, Adam R. Renslo, Dylan R. Pillai, Lars Eckmann, Sharon L. Reed, James H. McKerrow Antimicrobial Agents and Chemotherapy.2014; 58(7): 4138. CrossRef Zoonoses in South-East Asia: a regional burden, a global threat Marion Bordier, François Roger Animal Health Research Reviews.2013; 14(1): 40. CrossRef Prevalence of Intestinal Parasitic Infection in School Going Children in Amalapuram, Andhra Pradesh, India Rangaiahagari Ashok, Giddi Suguneswari, Ksbvn Satish, Vedantham Kesavaram Shiraz E-Medical Journal.2013;[Epub] CrossRef Drugs for treating giardiasis Carlos E Granados, Ludovic Reveiz, Luis G Uribe, Claudia P Criollo Cochrane Database of Systematic Reviews.2012;[Epub] CrossRef Genetic Hemoglobin Disorders, Infection, and Deficiencies of Iron and Vitamin A Determine Anemia in Young Cambodian Children Joby George, Miriam Yiannakis, Barbara Main, Robyn Devenish, Courtney Anderson, Ung Sam An, Sheila M. Williams, Rosalind S. Gibson The Journal of Nutrition.2012; 142(4): 781. CrossRef Molecular Identification ofTaeniaTapeworms byCox1Gene in Koh Kong, Cambodia Hyeong-Kyu Jeon, Tai-Soon Yong, Woon-Mok Sohn, Jong-Yil Chai, Sung-Jong Hong, Eun-Taek Han, Hoo-Gn Jeong, Tep Chhakda, Muth Sinuon, Duong Socheat, Keeseon S. Eom The Korean Journal of Parasitology.2011; 49(2): 195. CrossRef Echinostoma revolutumInfection in Children, Pursat Province, Cambodia Woon-Mok Sohn, Jong-Yil Chai, Tai-Soon Yong, Keeseon S. Eom, Cheong-Ha Yoon, Muth Sinuon, Duong Socheat, Soon-Hyung Lee Emerging Infectious Diseases.2011; 17(1): 117. CrossRef Epidemiology and control of human gastrointestinal parasites in children Michael O Harhay, John Horton, Piero L Olliaro Expert Review of Anti-infective Therapy.2010; 8(2): 219. CrossRef Childhood Nephrotic Syndrome in Cambodia: An Association with Gastrointestinal Parasites Lawrence Copelovitch, Orng Sam Ol, Sarah Taraquinio, Ngoun Chanpheaktra The Journal of Pediatrics.2010; 156(1): 76. CrossRef Prevalence of counterfeit anthelminthic medicines: a cross-sectional survey in Cambodia Mohiuddin Hussain Khan, Junko Okumura, Tey Sovannarith, Nam Nivanna, Manabu Akazawa, Kazuko Kimura Tropical Medicine & International Health.2010;[Epub] CrossRef Reassessment of the epidemiology of amebiasis: State of the art Cecilia Ximénez, Patricia Morán, Liliana Rojas, Alicia Valadez, Alejandro Gómez Infection, Genetics and Evolution.2009; 9(6): 1023. CrossRef Molecular epidemiology of amebiasis Ibne Karim M. Ali, C. Graham Clark, William A. Petri Infection, Genetics and Evolution.2008; 8(5): 698. CrossRef The prevalence of intestinal parasites in the province of Izmir, Turkey Hande Dagci, Özgür Kurt, Mete Demirel, Ipek Östan, Naser Reza Azizi, Aliye Mandiracioglu, Cengiz Yurdagül, Mehmet Tanyüksel, Ece Eroglu, Mucide Ak Parasitology Research.2008; 103(4): 839. CrossRef Prevalence of Giardia lamblia with or without diarrhea in South East, South East Asia and the Far East Hassan H. Dib, Si Qi Lu, Shao Fang Wen Parasitology Research.2008; 103(2): 239. CrossRef Parasitic infestation and nutritional status among schoolchildren in Vientiane, Lao PDR Outavong Phathammavong, Ali Moazzam, Duangphachan Xaysomphoo, Alongkone Phengsavanh, Chushi Kuroiwa Journal of Paediatrics and Child Health.2007; 43(10): 689. CrossRef 9,133 View 111 Download Crossref Susceptibility of several strains of mice to Echinostoma hortense infection Kyu-Jae Lee, Seung Kyu Park, Jee Aee Im, Soo Kie Kim, Geun Ha Kim, Gwang Young Kim, Eun Ju Yang, Yong-Suk Ryang Korean J Parasitol 2004;42(2):51-56. Published online June 20, 2004 DOI: https://doi.org/10.3347/kjp.2004.42.2.51 Abstract PDF Susceptibilities of 5 different mice strains, including C3H/HeN, BALB/c, C57BL6, FvB and ICR, to Echinostoma hortense infection, was evaluated. The worm expulsion rate, worm size and egg production were observed from 1 to 8 weeks after infection with 30 metacercariae. C3H/HeN and ICR mice showed the highest worm maturation rates. The worm recovery rate and the number of eggs per gram (EPG) of feces was also higher in C3H/HeN and ICR mice than in BALB/c, C57BL6, and FvB mice. It is suggested that E. hortense is highly infectious to ICR and C3H/HeN mice, but not to the other strains of mice. Based on the results obtained, we believe that the susceptibility of different mouse strains to E. hortense infection is dependent on the genetic and immunologic background of mice. Citations Citations to this article as recorded by FVB/NJ strain as a mouse model for cutaneous leishmaniasis by Leishmania (L.) amazonensis Guilherme Moreira Paiva Carrara, Beatriz Simonsen Stolf Memórias do Instituto Oswaldo Cruz.2024;[Epub] CrossRef History of echinostomes (Trematoda) Rafael Toledo, Valentin Radev, Ivan Kanev, Scott Gardner, Bernard Fried Acta Parasitologica.2014;[Epub] CrossRef EXPERIMENTAL INFECTION OF SWISS AND AKR/J MICE WITH Centrocestus formosanus (TREMATODA: HETEROPHYIDAE) Vitor Luís Tenório Mati, Hudson Alves Pinto, Alan Lane de Melo Revista do Instituto de Medicina Tropical de São Paulo.2013; 55(2): 133. CrossRef FVB/N mice are highly resistant to primary infection withNippostrongylus brasiliensis M. L. KNOTT, S. P. HOGAN, H. WANG, K. I. MATTHAEI, L. A. DENT Parasitology.2009; 136(1): 93. CrossRef Foodborne Intestinal Flukes in Southeast Asia Jong-Yil Chai, Eun-Hee Shin, Soon-Hyung Lee, Han-Jong Rim The Korean Journal of Parasitology.2009; 47(Suppl): S69. CrossRef Differential immune profiles following experimental Echinostoma hortense infection in BALB/c and C3H/HeN mice Yoon Kyung Cho, Yong Suk Ryang, In Sik Kim, Seung Kyu Park, Jee Aee Im, Kyu Jae Lee Parasitology Research.2007; 100(5): 1053. CrossRef Genetic Manipulation of CD74 in Mouse Strains of Different Backgrounds Can Result in Opposite Responses to Central Nervous System Injury Hadas Schori, Ravid Shechter, Idit Shachar, Michal Schwartz The Journal of Immunology.2007; 178(1): 163. CrossRef Whole-body Insulin Resistance in the Absence of Obesity in FVB Mice With Overexpression of Dgat1 in Adipose Tissue Nancy Chen, Li Liu, Yiying Zhang, Henry N. Ginsberg, Yi-Hao Yu Diabetes.2005; 54(12): 3379. CrossRef 7,776 View 72 Download Crossref A seroepidemiologic survey for human sparganosis in Gangweon-do Kyu-Jae Lee, Yong-Tae Bae, Dong-Heui Kim, Young-Kun Deung, Yong-Suk Ryang Korean J Parasitol 2002;40(4):177-180. Published online December 30, 2002 DOI: https://doi.org/10.3347/kjp.2002.40.4.177 Abstract PDF Gangweon-do is known to be highly endemic area of sparganosis more than other provinces in Korea. A seroepidmiologic examination for the detection of anti-Spirometra erinacei plerocercoid IgG in serum was carried out in normal inhabitants in Hongcheon-gun, Gangweon-do. Sere were tested by enzyme-linked immunosrobent assay (ELISA) for the anti-sparganum antibodies. Positive rate for anti-sparganum antibody in 719 adults was 3.3%. Data of the questionnaire for 24 ELISA positive inhabitants revealed that 20 had a history of eating raw meat of snakes, 24 had a history of eating frogs, and 24 had a history of drinking stream water. Two positive cases had a past history of sparganosis. Two positive cases showed current symptoms of sparganosis. The data revealed that ELISA would be useful to find infected cases among normal inhabitants at sparganosis-endemic areas. Citations Citations to this article as recorded by The serum IgG antibody level as a biomarker for clinical outcome in patients with cerebral sparganosis after treatment Haijie Xiang, Jie Wang, Dandan Tan, Ying Xiong, Pengcheng Huang, Yu Shen, Yun Xu, Zhihong Gong, Fei Hu, Chunhua Xu, Jie Wu, Wei Liu, Junpu Liu, Hui Wan, Daojun Hong, Huiqun Xie Frontiers in Immunology.2023;[Epub] CrossRef Low prevalence of spargana infection in farmed frogs in the Yangtze River Delta of China Xiaoli Zhang, Rongsheng Mi, Yehua Zhang, Shijie Zhang, Tao Sun, Haiyan Jia, Yan Huang, Haiyan Gong, Xiangan Han, Zhaoguo Chen Infection, Genetics and Evolution.2020; 85: 104466. CrossRef Human Sparganosis in Korea Jeong-Geun Kim, Chun-Seob Ahn, Woon-Mok Sohn, Yukifumi Nawa, Yoon Kong Journal of Korean Medical Science.2018;[Epub] CrossRef Seropositivity and identification of paramyosin for sparganosis in the Kangwon and Incheon provinces of the Republic of Korea M.-R. Lee, J.-W. Ju, H.-W. Yang, T.-S. Kim, M.-Y. Park, S.-H. Cho Journal of Helminthology.2017; 91(5): 642. CrossRef Seroprevalence of Sparganosis in Rural Communities of Northern Tanzania Nicholas Kavana, Parthasarathy Sonaimuthu, Christopher Kasanga, Ayub Kassuku, Hesham M. Al-Mekhlafi, Mun Yik Fong, Mohammad Behram Khan, Rohela Mahmud, Yee Ling Lau The American Journal of Tropical Medicine and Hygiene.2016; 95(4): 874. CrossRef A Case of Sparganosis by Ingestion of Undercooked Snakes That Mimicked Peritoneal Carcinomatosis Yun Ku Kim, Myung Hwan Kim, Han Seoung Park, Ji Woong Jang, Yil Sik Hyun, Ji Hun Kim Korean Journal of Medicine.2012; 82(3): 331. CrossRef Two cases of pulmonary and pleural sparganosis confirmed by tissue biopsy and immunoserology Sang Wan Chung, Yee Hyung Kim, Eun Jung Lee, Dae Hyun Kim, Gou Young Kim The Brazilian Journal of Infectious Diseases.2012; 16(2): 200. CrossRef A Protein Microarray for the Rapid Screening of Patients Suspected of Infection with Various Food-Borne Helminthiases Jia-Xu Chen, Mu-Xin Chen, Lin Ai, Jun-Hu Chen, Shao-Hong Chen, Yong-Nian Zhang, Yu-Chun Cai, Xing-Quan Zhu, Xiao-Nong Zhou, Patrick J. Lammie PLoS Neglected Tropical Diseases.2012; 6(11): e1899. CrossRef Seroprevalence of Tissue Invading Parasitic Infections Diagnosed by ELISA in Korea Mi Kyung Lee, Sung-Jong Hong, Hye Ryoun Kim Journal of Korean Medical Science.2010; 25(9): 1272. CrossRef Scrotal Sparganosis: With an Emphasis on Ultrasonographic Findings Seung Ho Kim, Sungchan Park, Jin Ho Paik Urology.2008; 71(2): 351.e11. CrossRef Parasitoses et atteinte neurologique André Paugam Revue Francophone des Laboratoires.2008; 2008(399): 41. CrossRef Tissue parasitic helminthiases are prevalent at Cheongjin, North Korea Chenghua Shen, Shunyu Li, Shanzi Zheng, Min-Ho Choi, Young Mee Bae, Sung-Tae Hong The Korean Journal of Parasitology.2007; 45(2): 139. CrossRef A case of sparganosis mimicking a varicose vein Ja-Hyun Koo, Won-Hyun Cho, Hyoung-Tae Kim, Sung-Moon Lee, Byung-Suk Chung, Chong-Yoon Joo The Korean Journal of Parasitology.2006; 44(1): 91. CrossRef Evolution characteristics of the central black hole of a magnetized accretion disc D. X. Wang, K. Xiao, W. H. Lei Monthly Notices of the Royal Astronomical Society.2002; 335(3): 655. CrossRef 9,269 View 73 Download Crossref Status of intestinal parasites infection among primary school children in Kampongcham, Cambodia Kyu-Jae Lee, Yong-Tae Bae, Dong-Heui Kim, Young-Kun Deung, Yong-Suk Ryang, Hun-Joo Kim, Kyung-Il Im, Tai-Soon Yong Korean J Parasitol 2002;40(3):153-155. Published online September 30, 2002 DOI: https://doi.org/10.3347/kjp.2002.40.3.153 Abstract PDF A survey was made to find the extent of intestinal parasite infection in Kampongcham, Cambodia in February 2002. A total of 251 fecal specimens were collected from Tonlebat primary school children and examined by formalin-ether sedimentation technique. The overall infection rate of intestinal parasite was 54.2% (males, 57.3%; females, 50.8%). The infection rate of intestinal helminths by the species were as follows: Ascaris lumbricoides 26.3%, Echinostoma sp. 15.6%, hookworm 6.4%, Opisthorchis sp. 4.0%, Rhabditis sp. 2.4%, and Trichuris trichiura 0.4%. The infection rate of intestinal protozoa were as follows: E. coli 7.6%, G. lamblia 3.2%, I. butschlii 3.2%, and E. histolytica 0.8%. More than two different kinds of parasites were found in 16.7% of the stool samples. All the children infected were treated with albendazole, praziquantel and metronidazole according to parasite species. The results showed that intestinal parasites are highly endemic in this area. Citations Citations to this article as recorded by Understanding the etiology of diarrheal illness in Cambodia in a case-control study from 2020 to 2023 Paksathorn Kietsiri, Siriporn Sornsakrin, Samon Nou, Wilawan Oransathid, Dutsadee Peerapongpaisarn, Wirote Oransathid, Panida Nobthai, Patcharawalai Wassanarungroj, Siriphan Gonwong, Pimmada Sakpaisal, Nuanpan Khemnu, Somethy Sok, Sokh Vannara, Chiek Sivh Gut Pathogens.2025;[Epub] CrossRef Current status of human liver fluke infections in the Greater Mekong Subregion Banchob Sripa, Apiporn T. Suwannatrai, Somphou Sayasone, Dung Trung Do, Virak Khieu, Yichao Yang Acta Tropica.2021; 224: 106133. CrossRef Prevalence and Intensity of Opisthorchis viverrini Metacercarial Infection in Fish from Phnom Penh, Takeo, and Kandal Provinces, Cambodia Woon-Mok Sohn, Seung-Ho Choi, Bong-Kwang Jung, Sooji Hong, Seungwan Ryoo, Taehee Chang, Keon Hoon Lee, Byoung-Kuk Na, Sung-Jong Hong, Virak Khieu, Jong-Yil Chai The Korean Journal of Parasitology.2021; 59(5): 531. CrossRef Morphological and molecular identification of the liver fluke Opisthorchis viverrini in the first intermediate host Bithynia snails and its prevalence in Kampong Cham Province, Cambodia Dusit Boonmekam, Suluck Namchote, Hajime Matsuda, Masashi Kirinoki, Kazuko Miyamoto, Muth Sinuon, Duangduen Krailas Parasitology International.2017; 66(3): 319. CrossRef Prevalence of Intestinal Parasites Among the Rural Primary School Students in the West of Ahvaz County, Iran, 2015 Jasem Saki, Davod Amraee Jentashapir Journal of Health Research.2017;[Epub] CrossRef Prevalence of Intestinal Protozoans among Schoolchildren in Suburban Areas near Yangon, Myanmar Min-Jae Kim, Bong-Kwang Jung, Jaeeun Cho, Deok-Gyu Kim, Hyemi Song, Keon-Hoon Lee, Seon Cho, Thi Thi Htoon, Htay Htay Tin, Jong-Yil Chai The Korean Journal of Parasitology.2016; 54(3): 345. CrossRef High prevalence of large trematode eggs in schoolchildren in Cambodia Philipp J. Bless, Fabian Schär, Virak Khieu, Stefanie Kramme, Sinuon Muth, Hanspeter Marti, Peter Odermatt Acta Tropica.2015; 141: 295. CrossRef A survey for potentially zoonotic gastrointestinal parasites of dogs and pigs in Cambodia Tawin Inpankaew, K. Darwin Murrell, Nongnuch Pinyopanuwat, Chamnan Chhoun, Kuong Khov, Tharin Sem, San Sorn, Sinuon Muth, Anders Dalsgaard Acta Parasitologica.2015;[Epub] CrossRef Association between praziquantel treatment and cholangiocarcinoma: a hospital-based matched case–control study Supot Kamsa-ard, Vor Luvira, Ake Pugkhem, Varisara Luvira, Bandit Thinkhamrop, Krittika Suwanrungruang, Vajarabhongsa Bhudhisawasdi BMC Cancer.2015;[Epub] CrossRef Intestinal Parasite Infections in Symptomatic Children Attending Hospital in Siem Reap, Cambodia Catrin E. Moore, Phot Nget, Mao Saroeun, Suy Kuong, Seng Chanthou, Varun Kumar, Rachel Bousfield, Johanna Nader, J. Wendi Bailey, Nicholas J. Beeching, Nicholas P. Day, Christopher M. Parry, William A Paxton PLOS ONE.2015; 10(5): e0123719. CrossRef The prevalence and diversity of intestinal parasitic infections in humans and domestic animals in a rural Cambodian village Fabian Schär, Tawin Inpankaew, Rebecca J. Traub, Virak Khieu, Anders Dalsgaard, Wissanuwat Chimnoi, Chamnan Chhoun, Daream Sok, Hanspeter Marti, Sinuon Muth, Peter Odermatt Parasitology International.2014; 63(4): 597. CrossRef Zoonotic Trematode Metacercariae in Fish from Phnom Penh and Pursat, Cambodia Jong-Yil Chai, Woon-Mok Sohn, Byoung-Kuk Na, Tai-Soon Yong, Keeseon S. Eom, Cheong-Ha Yoon, Eui-Hyug Hoang, Hoo-Gn Jeoung, Duong Socheat The Korean Journal of Parasitology.2014; 52(1): 35. CrossRef Field survey focused on Opisthorchis viverrini infection in five provinces of Cambodia Kazuko Miyamoto, Masashi Kirinoki, Hajime Matsuda, Naoko Hayashi, Yuichi Chigusa, Muth Sinuon, Char Meng Chuor, Viroj Kitikoon Parasitology International.2014; 63(2): 366. CrossRef Prevalence of Intestinal Helminths among Inhabitants of Cambodia (2006-2011) Tai-Soon Yong, Jong-Yil Chai, Woon-Mok Sohn, Keeseon S. Eom, Hoo-Gn Jeoung, Eui-Hyug Hoang, Cheong-Ha Yoon, Bong-Kwang Jung, Soon-Hyung Lee, Muth Sinuon, Duong Socheat The Korean Journal of Parasitology.2014; 52(6): 661. CrossRef Antiparasitic herbs used in west regions of Ilam province located in west of Iran Mahmoud Bahmani, Mahmoud Rafieian-Kopaei, Seyed Ahmad Karamati, Fariba Bahmani, Farzaneh Bahmani, Ehsan Bahmani, Jafar Asadzadeh Asian Pacific Journal of Tropical Disease.2014; 4: S764. CrossRef Global status of fish-borne zoonotic trematodiasis in humans Nguyen Hung, Henry Madsen, Bernard Fried Acta Parasitologica.2013;[Epub] CrossRef Zoonoses in South-East Asia: a regional burden, a global threat Marion Bordier, François Roger Animal Health Research Reviews.2013; 14(1): 40. CrossRef The stress of climate change on water management in Cambodia with a focus on rice production Thomas Murphy, Kim Irvine, Mickey Sampson Climate and Development.2013; 5(1): 77. CrossRef Association between Praziquantel and Cholangiocarcinoma in Patients Infected with Opisthorchis viverrini: A Systematic Review and Meta-Analysis Supot Kamsa-Ard, Malinee Laopaiboon, Vor Luvira, Vajarabhongsa Bhudhisawasdi Asian Pacific Journal of Cancer Prevention.2013; 14(11): 7011. CrossRef A STUDY OF INTESTINAL PARASITIC INFESTATIONS AMONG SCHOOL CHILDREN IN BAGEPALLI TALUK, CHIKKABALLAPUR DISTRICT, KARNATAKA- A CROSS- SECTIONAL SCHOOL SURVEY Ramakrishna Reddy N, Riyaz Basha Journal of Evolution of medical and Dental Sciences.2013; 2(10): 1416. CrossRef Prevalence of Opisthorchis viverrini infection in humans and fish in Kratie Province, Cambodia Woon-Mok Sohn, Tai-Soon Yong, Keeseon S. Eom, Kyoung-Ho Pyo, Mi Youn Lee, Hyemi Lim, Seongjun Choe, Hoo-Gn Jeong, Muth Sinuon, Duong Socheat, Jong-Yil Chai Acta Tropica.2012; 124(3): 215. CrossRef Changing Patterns of Gastrointestinal Parasite Infections in Cambodian Children: 2006-2011 C. E. Moore, P. C. Hor, S. Soeng, S. Sun, S. J. Lee, C. M. Parry, N. P. J. Day, N. Stoesser Journal of Tropical Pediatrics.2012; 58(6): 509. CrossRef Raw attitudes, wetland cultures, life-cycles: Socio-cultural dynamics relating to Opisthorchis viverrini in the Mekong Basin Carl Grundy-Warr, Ross H. Andrews, Paiboon Sithithaworn, Trevor N. Petney, Banchop Sripa, Luxana Laithavewat, Alan D. Ziegler Parasitology International.2012; 61(1): 65. CrossRef The current status of opisthorchiasis and clonorchiasis in the Mekong Basin Paiboon Sithithaworn, Ross H. Andrews, Nguyen Van De, Thitima Wongsaroj, Muth Sinuon, Peter Odermatt, Yukifumi Nawa, Song Liang, Paul J. Brindley, Banchob Sripa Parasitology International.2012; 61(1): 10. CrossRef High Prevalence of Opisthorchis viverrini Infection in a Riparian Population in Takeo Province, Cambodia Tai-Soon Yong, Eun-Hee Shin, Jong-Yil Chai, Woon-Mok Sohn, Keeseon S. Eom, Dong-Min Lee, Keunhee Park, Hoo-Gn Jeoung, Eui-Hyug Hoang, Yoon-Hee Lee, Hyun-Ju Woo, Ji-Hwa Lee, Sin-Il Kang, Jae-Ku Cha, Keon-Hoon Lee, Cheong-Ha Yoon, Muth Sinuon, Duong Socheat The Korean Journal of Parasitology.2012; 50(2): 173. CrossRef Genetic Hemoglobin Disorders, Infection, and Deficiencies of Iron and Vitamin A Determine Anemia in Young Cambodian Children Joby George, Miriam Yiannakis, Barbara Main, Robyn Devenish, Courtney Anderson, Ung Sam An, Sheila M. Williams, Rosalind S. Gibson The Journal of Nutrition.2012; 142(4): 781. CrossRef A review of parasitic zoonoses in a changing Southeast Asia James V. Conlan, Banchob Sripa, Stephen Attwood, Paul N. Newton Veterinary Parasitology.2011; 182(1): 22. CrossRef Echinostoma revolutumInfection in Children, Pursat Province, Cambodia Woon-Mok Sohn, Jong-Yil Chai, Tai-Soon Yong, Keeseon S. Eom, Cheong-Ha Yoon, Muth Sinuon, Duong Socheat, Soon-Hyung Lee Emerging Infectious Diseases.2011; 17(1): 117. CrossRef Molecular Identification ofTaeniaTapeworms byCox1Gene in Koh Kong, Cambodia Hyeong-Kyu Jeon, Tai-Soon Yong, Woon-Mok Sohn, Jong-Yil Chai, Sung-Jong Hong, Eun-Taek Han, Hoo-Gn Jeong, Tep Chhakda, Muth Sinuon, Duong Socheat, Keeseon S. Eom The Korean Journal of Parasitology.2011; 49(2): 195. CrossRef Childhood Nephrotic Syndrome in Cambodia: An Association with Gastrointestinal Parasites Lawrence Copelovitch, Orng Sam Ol, Sarah Taraquinio, Ngoun Chanpheaktra The Journal of Pediatrics.2010; 156(1): 76. CrossRef Prevalence of counterfeit anthelminthic medicines: a cross-sectional survey in Cambodia Mohiuddin Hussain Khan, Junko Okumura, Tey Sovannarith, Nam Nivanna, Manabu Akazawa, Kazuko Kimura Tropical Medicine & International Health.2010;[Epub] CrossRef Epidemiology of cholangiocarcinoma: An update focusing on risk factors Hai‐Rim Shin, Jin‐Kyoung Oh, Eric Masuyer, Maria‐Paula Curado, Veronique Bouvard, Yue‐Yi Fang, Surapon Wiangnon, Banchob Sripa, Sung‐Tae Hong Cancer Science.2010; 101(3): 579. CrossRef Intestinal Parasitic Infections among Inhabitants of Karaj City, Tehran Province, Iran in 2006-2008 Vahid Nasiri, Kasra Esmailnia, Gholamreza Karim, Mehdi Nasir, Omid Akhavan The Korean Journal of Parasitology.2009; 47(3): 265. CrossRef Prevalence of Giardia lamblia with or without diarrhea in South East, South East Asia and the Far East Hassan H. Dib, Si Qi Lu, Shao Fang Wen Parasitology Research.2008; 103(2): 239. CrossRef Parasitic infestation and nutritional status among schoolchildren in Vientiane, Lao PDR Outavong Phathammavong, Ali Moazzam, Duangphachan Xaysomphoo, Alongkone Phengsavanh, Chushi Kuroiwa Journal of Paediatrics and Child Health.2007; 43(10): 689. CrossRef Financial costs of deworming children in all primary schools in Cambodia Muth Sinuon, Reiko Tsuyuoka, Doung Socheat, Antonio Montresor, Kevin Palmer Transactions of the Royal Society of Tropical Medicine and Hygiene.2005; 99(9): 664. CrossRef Prevalence of intestinal parasitic infections and their relation with socio-economic factors and hygienic habits in Tehran primary school students Javad Nematian, Edwin Nematian, Ali Gholamrezanezhad, Ali Ali Asgari Acta Tropica.2004; 92(3): 179. CrossRef Status of intestinal parasite infections among children in Bat Dambang, Cambodia Seung Kyu Park, Dong-Heui Kim, Young-Kun Deung, Hun-Joo Kim, Eun-Ju Yang, Soo-Jung Lim, Yong-Suk Ryang, Dan Jin, Kyu-Jae Lee The Korean Journal of Parasitology.2004; 42(4): 201. CrossRef 8,810 View 118 Download Crossref Enterobius vermicularis egg positive rates in primary school children in Gangwon-do (Province), Korea Kyu-Jae Lee, Yung-Kyum Ahn, Yong-Suk Ryang Korean J Parasitol 2001;39(4):327-328. Published online December 31, 2001 DOI: https://doi.org/10.3347/kjp.2001.39.4.327 Abstract PDF A survey of the infection rate of Enterobius vermicularis among students in 4 primary schools located in Gangwon-do (Province) was done from May to June 2001. Among the 398 examinees, 39 (9.8%) were infected with E. vermicularis demonstrated by the adhesive cellotape anal swab method. The infection rates ranged from 8.3% to 11.8% among the four schools. The infection rate of males and females was 10.7% and 7,7% respectively. The first grade students showed the highest infection rate, 28.7%. The confirmed cases were treated with albendazole three times at an interval of 15 days. We were able to confirm that E. vermicularis infection is still prevalent among students in Gangwon-do, Korea. Citations Citations to this article as recorded by 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 Effect of a One-Off Educational Session about Enterobiasis on Knowledge, Preventative Practices, and Infection Rates among Schoolchildren in South Korea Dong-Hee Kim, Hak Sun Yu, David Joseph Diemert PLoS ONE.2014; 9(11): e112149. CrossRef Comparison of Egg Positive Rates ofEnterobius vermicularisamong Preschool Children in Three Korean Localities Sung-Hee Hong, Sang-Eun Lee, Young-Il Jeong, Won-Ja Lee, Shin-Hyeong Cho The Korean Journal of Parasitology.2011; 49(4): 441. CrossRef Egg positive rate of Enterobius vermicularis among preschool children in Cheongju, Chungcheongbuk-do, Korea Seokha Kang, Hyeong Kyu Jeon, Keeseon S. Eom, Joong-Ki Park The Korean Journal of Parasitology.2006; 44(3): 247. CrossRef A survey of Enterobius vermicularis infection among children on western and southern coastal islands of the Republic of Korea Jae-Hwan Park, Eun-Taek Han, Won-Hee Kim, Eun-Hee Shin, Sang-Mee Guk, Jae-Lip Kim, Jong-Yil Chai The Korean Journal of Parasitology.2005; 43(4): 129. CrossRef Enterobius vermicularisinfection among population of General Mansilla, Argentina Betina C Pezzani World Journal of Gastroenterology.2004; 10(17): 2535. CrossRef Egg positive rate of Enterobius vermicularis of primary school children in Geoje island Bong Jin Kim, Bo Young Lee, Hyun Kee Chung, Young Sun Lee, Kun Hee Lee, Hae Jin Chung, Mee Sun Ock The Korean Journal of Parasitology.2003; 41(1): 75. CrossRef Albendazole: a broad spectrum anthelminthic for treatment of individuals and populations John Horton Current Opinion in Infectious Diseases.2002; 15(6): 599. CrossRef 7,392 View 76 Download Crossref Mucosal mast cell responses in the small intestine of rats infected with Echinostoma hortense Insik Kim, Jae-Aee Im, Kyu-Je Lee, Yong-Suk Ryang Korean J Parasitol 2000;38(3):139-143. Published online September 30, 2000 DOI: https://doi.org/10.3347/kjp.2000.38.3.139 Abstract PDF Mucosal mast cell (MMC) responses and worm recovery rates in rats infected with Echinostoma hortense were investigated from day 3 to day 56 post-infection (p.i.). Experimental infected group showed apparently higher number of MMC in each part of the small intestine than that of the control group. The number of MMC in the duodenum increased gradually after the infection and reached a peak on day 35 p.i. Thereafter, the number of MMC continued to decrease at a slow pace. The kinetics of MMC responses in the upper and lower jejunum were similar to that of the duodenum, but the number of MMC in the jejunum was lower. The worm recovery rate decreased with respect to time of which it was markedly reduced on day 49 and 56 p.i. The duration in which a high number of MMC appeared was similar to that in which a low rate in worm recovery was recorded. These results indicate that intestinal mastocytosis may play an important role in the expulsion of E. hortense. Citations Citations to this article as recorded by Neglected food-borne trematodiases: echinostomiasis and gastrodiscoidiasis Rafael Toledo, María Álvarez-Izquierdo, J. Guillermo Esteban, Carla Muñoz-Antoli Parasitology.2022; 149(10): 1319. CrossRef 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 History of echinostomes (Trematoda) Rafael Toledo, Valentin Radev, Ivan Kanev, Scott Gardner, Bernard Fried Acta Parasitologica.2014;[Epub] CrossRef Mucosal Immune Responses of Mice Experimentally Infected with Pygidiopsis summa (Trematoda: Heterophyidae) Jong-Yil Chai, Young-Jin Park, Jae-Hwan Park, Bong-Kwang Jung, Eun-Hee Shin The Korean Journal of Parasitology.2014; 52(1): 27. CrossRef Foodborne Intestinal Flukes in Southeast Asia Jong-Yil Chai, Eun-Hee Shin, Soon-Hyung Lee, Han-Jong Rim The Korean Journal of Parasitology.2009; 47(Suppl): S69. CrossRef Haplorchis taichui: Worm recovery rate and immune responses in infected rats (Rattus norvegicus) Supap Saenphet, Chalobol Wongsawad, Kanokporn Saenphet, Amnat Rojanapaibul, Pramote Vanittanakom, Jong-Yil Chai Experimental Parasitology.2008; 120(2): 175. CrossRef Differential immune profiles following experimental Echinostoma hortense infection in BALB/c and C3H/HeN mice Yoon Kyung Cho, Yong Suk Ryang, In Sik Kim, Seung Kyu Park, Jee Aee Im, Kyu Jae Lee Parasitology Research.2007; 100(5): 1053. CrossRef Somatostatin inhibits intestinal mucosal mast cell degranulation in normal conditions and during mast cell hyperplasia Y Saavedra, P Vergara Regulatory Peptides.2003; 111(1-3): 67. CrossRef Food-borne intestinal trematode infections in the Republic of Korea Jong-Yil Chai, Soon-Hyung Lee Parasitology International.2002; 51(2): 129. CrossRef 9,386 View 84 Download Crossref An incidental case of human Heterophyes nocens infection diagnosed by sectional morphology in a biopsy specimen of the small intestine Yong-Suk Ryang, Chi-Young Lee, Kyu-Jae Lee, Soon-Hyung Lee, Jong-Yil Chai Korean J Parasitol 1999;37(3):189-194. Published online September 30, 1999 DOI: https://doi.org/10.3347/kjp.1999.37.3.189 Abstract PDF A case of human infection with Heterophyes nocens (Heterophyidae) was incidentally found in a biopsy specimen of the Meckel's diverticulum at the upper part of the small intestine. The patient was a 58-year-old man living in a rural area of Talsong-gun, Kyongsangbuk-do. He had gastrointestinal symptoms such as epigastric pain, indigestion, and abdominal discomfort for 3 months, and severe diarrhea, abdominal pain, and vomiting for about 1 month before hospitalization. Endoscopy of the upper part of the small intestine revealed a Meckel's diverticulum, and it was excised and histopathologically examined. Three adult flukes were incidentally found sectioned in the mucosa, and they were identified as H. nocens. The patient had a history of eating raw mullets at a fish market in Pusan 6 months ago, and the mullets were presumed to be the source of infection. This case brings a considerable interest in that specific diagnosis of heterophyid infections could be done by sectional morphology of the worms. Citations Citations to this article as recorded by An Endoscopic Surprise in a Child With Chronic Diarrhea Durga Prasad, Abhai Verma, Madhu Mati Goel Gastroenterology.2021; 160(4): 1037. CrossRef Prevalence and spatial distribution of heterophyidiasis in Southern Philippines Kharleezelle J. Moendeg, Lydia R. Leonardo, Trina Galido Isorena, Francine Claire Alexandra S. Hilotina, Imelda S. Pates, Nancy O. Cacayorin Acta Tropica.2021; 220: 105940. CrossRef Fishborne zoonotic heterophyid infections: An update Jong-Yil Chai, Bong-Kwang Jung Food and Waterborne Parasitology.2017; 8-9: 33. CrossRef Co-infection with Opisthorchis viverrini and Haplorchis taichui detected by human fecal examination in Chomtong district, Chiang Mai Province, Thailand Chalobol Wongsawad, Anawat Phalee, Waraporn Noikong, Suksan Chuboon, Choosak Nithikathkul Parasitology International.2012; 61(1): 56. CrossRef Haplorchis taichuias a Possible Etiologic Agent of Irritable Bowel Syndrome-Like Symptoms Dorn Watthanakulpanich, Jitra Waikagul, Wanna Maipanich, Supaporn Nuamtanong, Surapol Sanguankiat, Somchit Pubampen, Rangson Praevanit, Srisuchat Mongkhonmu, Yukifumi Nawa The Korean Journal of Parasitology.2010; 48(3): 225. CrossRef 8,461 View 84 Download Crossref Discovery of Gymnophalloides seoi metacercariae in oysters from islands of the West Sea known as the habitats of paleartic oystercatchers Woon-Mok Sohn, Yong-Suk Ryang, Jong-Yil Chai, Soon-Hyung Lee Korean J Parasitol 1998;36(3):163-169. Published online September 30, 1998 DOI: https://doi.org/10.3347/kjp.1998.36.3.163 Abstract PDF An epidemiological survey was performed to know the infection status of oysters with Gymnophalloides seoi metacercariae in 7 islands of the West Sea known as the habitat of paleartic oystercatchers, Haematopus ostralegus osculans, in Korea. The surveyed areas were Aphaedo (Shinan-gun, Chollanam-do), Jangjado, Sonyudo and Munyodo (Okdo-myon, Kunsan-shi, Chollabuk-do), Yubudo (Changhang-up, Sochon-gun Chungchongnam-do), and Polumdo and Chumoondo (Sodo-myon, Kangwha-gun. Inchon-shi). The oysters collected from Aphaedo, the known endemic focus, were examined monthly from August 1995 to October 1996 for observation of any seasonal variation of the metacercarial density. The average metacercarial burden was 761-2,077 by month, but the seasonal variation of the metacercarial density was not obvious. A total of 54 metacercariae was detected in 63 oysters collected from Yubudo. Out of 30 oysters from Sonyudo, 25 (83.3%) were infected with 1-66 metacercariae (12.6 in average). All of 50 oysters (100%) from Munyodo were infected with 3-162 metacercariae (53.5 in average). Only 4 metacercariae were detected in 100 oysters from Chumoondo. However, no metacercariae were found in 55 oysters from Jangjado and 50 oysters from Polumdo. From the above results, it was confirmed that G. seoi is still highly prevalent in oysters from Aphaedo, and several islands of the West Sea known as the habitats of paleartic oystercatchers are new endemic areas of this fluke. Citations Citations to this article as recorded by 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 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 The Korean Journal of Parasitology.2017; 55(4): 399. CrossRef Foodborne Intestinal Flukes in Southeast Asia Jong-Yil Chai, Eun-Hee Shin, Soon-Hyung Lee, Han-Jong Rim The Korean Journal of Parasitology.2009; 47(Suppl): S69. 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 Gymnophalloides seoi: a new human intestinal trematode Jong-Yil Chai, Min-Ho Choi, Jae-Ran Yu, Soon-Hyung Lee Trends in Parasitology.2003; 19(3): 109. CrossRef Food-borne intestinal trematode infections in the Republic of Korea Jong-Yil Chai, Soon-Hyung Lee Parasitology International.2002; 51(2): 129. CrossRef Intestinal histopathology and in situ postures of Gymnophalloides seoi in experimentally infected mice Jong-Yil Chai, Hong-Soon Lee, Sung-Jong Hong, Jae Hyung Yoo, Sang-Mee Guk, Min Seo, Min-Ho Choi, Soon-Hyung Lee The Korean Journal of Parasitology.2001; 39(1): 31. CrossRef A nationwide survey of the prevalence of human Gymnophalloides seoi infection on western and southern coastal islands in the Republic of Korea Jong-Yil Chai, Jae-Hwan Park, Eun-Taek Han, Eun-Hee Shin, Jae-Lip Kim, Kwang-Seon Hong, Han-Jong Rim, Soon-Hyung Lee The Korean Journal of Parasitology.2001; 39(1): 23. CrossRef A review of Gymnophalloides seoi (Digenea: Gymnophallidae) and human infections in the Republic of Korea Soon-Hyung Lee, Jong-Yil Chai The Korean Journal of Parasitology.2001; 39(2): 85. CrossRef 9,579 View 87 Download Crossref