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Cheong-Ha Yoon	5 Articles
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 Korean J Parasitol 2014;52(6):661-666. Published online December 23, 2014 DOI: https://doi.org/10.3347/kjp.2014.52.6.661 Abstract PDF In order to investigate the status of intestinal helminthic infections in Cambodia, epidemiological surveys were carried out on a national scale, including 19 provinces. A total of 32,201 fecal samples were collected from schoolchildren and adults between 2006 and 2011 and examined once by the Kato-Katz thick smear technique. The overall egg positive rate of intestinal helminths was 26.2%. The prevalence of hookworms was the highest (9.6%), followed by that of Opisthorchis viverrini/minute intestinal flukes (Ov/MIF) (5.7%), Ascaris lumbricoides (4.6%), and Trichuris trichiura (4.1%). Other types of parasites detected were Enterobius vermicularis (1.1%), Taenia spp. (0.4%), and Hymenolepis spp. (0.2%). The northwestern regions such as the Siem Reap, Oddar Meanchey, and Banteay Meanchey Provinces showed higher prevalences (17.4-22.3%) of hookworms than the other localities. The southwestern areas, including Koh Kong and Preah Sihanouk Provinces showed higher prevalences of A. lumbricoides (17.5-19.2%) and T. trichiura (6.1-21.0%). Meanwhile, the central and southern areas, in particular, Takeo and Kampong Cham Provinces, showed high prevalences of Ov/MIF (23.8-24.0%). The results indicate that a considerably high prevalence of intestinal helminths has been revealed in Cambodia, and thus sustained national parasite control projects are necessary to reduce morbidity due to parasitic infections in Cambodia. Citations Citations to this article as recorded by Prevalence and Epidemiological Patterns of Enterobius vermicularis Infection in Thailand: A Systematic Review and Meta-Analysis Jurairat Jongthawin, Aongart Mahittikorn, Apiporn Thinkhamrop Suwannatrai, Chutima Rattanawan, Kinley Wangdi, Frederick Ramirez Masangkay, Manas Kotepui Medical Sciences.2025; 13(4): 207. CrossRef Prevalence of Foodborne Trematodes in Small Indigenous Fish Species in Local Markets of Phnom Penh, Cambodia Domenico Caruso, Lin Kong, Samnang Keo, Sreyni Yoeurn, Samphal Seng Vector-Borne and Zoonotic Diseases.2024; 24(3): 141. CrossRef Prevalence of Intestinal Helminths Among Mogadishu Residents Attending Somali Sudanese Specialized Hospital, Mogadishu, Somalia Motaz Mohammed American Journal of Laboratory Medicine.2024; 9(1): 8. CrossRef Evaluation of the diagnostic techniques in the detection of hookworm infestation among school children in Ethiopia: Cross-sectional study design Abebe Fenta, Destaw Kebede, Adane Tilahun, Bewket Mesganaw, Adane Adugna, Wubetu Yihunie, Habtamu Belew, Desalegn Abebaw, Gashaw Azanaw Amare Heliyon.2024; 10(21): e39936. CrossRef A study protocol for a multi-country cluster randomized controlled trial of the impact of a multi-component One Health strategy to eliminate Opisthorchis viverrini and soil transmitted helminths in the Lower Mekong Basin Mary Lorraine Mationg, Archie C. A. Clements, Gail M. Williams, Matthew Kelly, Donald E. Stewart, Catherine A. Gordon, Kinley Wangdi, Sirikachorn Tangkawattana, Apiporn T. Suwannatrai, Vanathom Savathdy, Visal Khieu, Sangduan Wannachart, Suji Yoo O’Connor Trials.2024;[Epub] CrossRef An Integrated Coproscopic and Molecular Method Provides Insights into the Epidemiology of Zoonotic Intestinal Helminths of Dogs across Cambodia Patsy A. Zendejas-Heredia, Vito Colella, Lucas G. Huggins, Roland Schaper, Bettina Schunack, Rebecca J. Traub, Long-Xian Zhang Transboundary and Emerging Diseases.2023; 2023: 1. CrossRef Global prevalence of 4 neglected foodborne trematodes targeted for control by WHO: A scoping review to highlight the gaps Rachel Tidman, Kaushi S. T. Kanankege, Mathieu Bangert, Bernadette Abela-Ridder, Paul R. Torgerson PLOS Neglected Tropical Diseases.2023; 17(3): e0011073. CrossRef High endemicity of Opisthorchis viverrini infection among people in northern Cambodia confirmed by adult worm expulsion Bong-Kwang Jung, Sooji Hong, Taehee Chang, Jaeeun Cho, Seungwan Ryoo, Keon Hoon Lee, Jeonggyu Lee, Woon-Mok Sohn, Sung-Jong Hong, Virak Khieu, Rekol Huy, Jong-Yil Chai Scientific Reports.2023;[Epub] CrossRef General overview of the current status of human foodborne trematodiasis Jong-Yil Chai, Bong-Kwang Jung Parasitology.2022; 149(10): 1262. CrossRef Prevalence and Associated Risk Factors of Human Intestinal Helminths Parasitic Infections in Ethiopia: A Systematic Review and Meta-Analysis Minichil Liyih, Destaw Damtie, Dires Tegen, Ahmad Mansour The Scientific World Journal.2022; 2022: 1. CrossRef Model-based spatial-temporal mapping of opisthorchiasis in endemic countries of Southeast Asia Ting-Ting Zhao, Yi-Jing Feng, Pham Ngoc Doanh, Somphou Sayasone, Virak Khieu, Choosak Nithikathkul, Men-Bao Qian, Yuan-Tao Hao, Ying-Si Lai eLife.2021;[Epub] CrossRef Prevalence of meat-transmitted Taenia and Trichinella parasites in the Far East countries Yi Liu, Zijian Dong, Jianda Pang, Mingyuan Liu, Xuemin Jin Parasitology Research.2021; 120(12): 4145. 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 Epidemiology of Taenia saginata taeniosis/cysticercosis: a systematic review of the distribution in East, Southeast and South Asia Ramon M. Eichenberger, Lian F. Thomas, Sarah Gabriël, Branco Bobić, Brecht Devleesschauwer, Lucy J. Robertson, Anastasios Saratsis, Paul R. Torgerson, Uffe C. Braae, Veronique Dermauw, Pierre Dorny Parasites & Vectors.2020;[Epub] CrossRef Morphological and Molecular Diagnosis of Necator americanus and Ancylostoma ceylanicum Recovered from Villagers in Northern Cambodia Taehee Chang, Bong-Kwang Jung, Woon-Mok Sohn, Sooji Hong, Hyejoo Shin, Seungwan Ryoo, Jeonggyu Lee, Keon Hoon Lee, Virak Khieu, Rekol Huy, Jong-Yil Chai The Korean Journal of Parasitology.2020; 58(6): 619. CrossRef Low-Grade Endemicity of Opisthorchiasis, Yangon, Myanmar Woon-Mok Sohn, Bong-Kwang Jung, Sung-Jong Hong, Keon-Hoon Lee, Jong-Bok Park, Hyun-Seung Kim, Seon Cho, Thi Thi Htoon, Htay Htay Tin, Jong-Yil Chai Emerging Infectious Diseases.2019; 25(7): 1435. CrossRef Thiamine dose response in human milk with supplementation among lactating women in Cambodia: study protocol for a double-blind, four-parallel arm randomised controlled trial Kyly C Whitfield, Hou Kroeun, Tim Green, Frank T Wieringa, Mam Borath, Prak Sophonneary, Jeffrey R Measelle, Dare Baldwin, Lisa N Yelland, Shalem Leemaqz, Kathleen Chan, Jelisa Gallant BMJ Open.2019; 9(7): e029255. CrossRef Molecular Identification of Trichuris suis and Trichuris trichiura Eggs in Human Populations from Thailand, Lao PDR, and Myanmar Rutchanee Rodpai, Issarapong Phosuk, Penchom Janwan, Tongjit Thanchomnang, Pewpan M. Intapan, Sakhone Laymanivong, Win Pa Pa Aung, Witthaya Anamnart, Oranuch Sanpool, Adulsak Wijit, Wanchai Maleewong, Lakkhana Sadaow The American Journal of Tropical Medicine and Hygiene.2018; 98(1): 39. CrossRef Strongyloides stercoralis and hookworm co-infection: spatial distribution and determinants in Preah Vihear Province, Cambodia Armelle Forrer, Virak Khieu, Fabian Schär, Penelope Vounatsou, Frédérique Chammartin, Hanspeter Marti, Sinuon Muth, Peter Odermatt Parasites & Vectors.2018;[Epub] CrossRef Prevalence of Intestinal Parasites and Associated Risk Factors for Infection among Rural Communities of Chachoengsao Province, Thailand Pisit Suntaravitun, Amornrat Dokmaikaw The Korean Journal of Parasitology.2018; 56(1): 33. CrossRef Concurrent infection of a young tourist by hookworm and Strongyloides stercoralis during low budget travel in Southeast Asia M. Wesołowska, W. Rymer, M. Kicia, M. Popiołek Helminthologia.2018; 55(2): 166. CrossRef Human liver fluke Opisthorchis viverrini (Trematoda, Opisthorchiidae) in Central Myanmar: New records of adults and metacercariae identified by morphology and molecular analysis Oranuch Sanpool, Win Pa Pa Aung, Rutchanee Rodpai, Wanchai Maleewong, Pewpan M. Intapan Acta Tropica.2018; 185: 149. CrossRef First report and molecular identification of Opisthorchis viverrini infection in human communities from Lower Myanmar Win Pa Pa Aung, Thi Thi Htoon, Htay Htay Tin, Kyi Kyi Thinn, Oranuch Sanpool, Jurairat Jongthawin, Lakkhana Sadaow, Issarapong Phosuk, Rutchanee Rodpai, Pewpan M. Intapan, Wanchai Maleewong, Petr Heneberg PLOS ONE.2017; 12(5): e0177130. 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 Improved Sanitation Facilities are Associated with Higher Body Mass Index and Higher Hemoglobin Concentration Among Rural Cambodian Women in the First Trimester of Pregnancy Timothy J. Green, Crystal D. Karakochuk, Judy McLean, Amynah Janmohamed The American Journal of Tropical Medicine and Hygiene.2016; 95(5): 1211. CrossRef A 13-Year Retrospective Study on Primary Liver Cancer in Cambodia: A Strikingly High Hepatitis C Occurrence among Hepatocellular Carcinoma Cases François Chassagne, Teresa Rojas Rojas, Stéphane Bertani, Geneviève Bourdy, Sokha Eav, Eloy Ruiz, Pascal Pineau, Eric Deharo Oncology.2016; 91(2): 106. CrossRef 12,852 View 152 Download 33 Web of Science 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 Korean J Parasitol 2014;52(1):35-40. Published online February 19, 2014 DOI: https://doi.org/10.3347/kjp.2014.52.1.35 Abstract PDF A survey was performed to investigate the infection status of freshwater fish with zoonotic trematode metacercariae in Phnom Penh and Pursat Province, Cambodia. All collected fish with ice were transferred to our laboratory and examined using the artificial digestion method. In fish from Phnom Penh, 2 kinds of metacercariae (Opisthorchis viverrini and Haplorchis yokogawai) were detected. O. viverrini metacercariae were positive in 37 (50.0%) of 74 fish in 11 species (average no. metacercariae/fish, 18.6). H. yokogawai metacercariae were detected in 23 (57.5%) of 40 fish in 5 species (average no. metacercariae/fish, 21.0). In fish from Pursat Province, 5 kinds of metacercariae (O. viverrini, H. yokogawai, Haplorchis pumilio, Centrocestus formosanus, and Procerovum sp.) were detected; O. viverrini metacercariae (n=3) in 2 fish species (Henicorhynchus lineatus and Puntioplites falcifer), H. yokogawai metacercariae (n=51) in 1 species (P. falcifer), H. pumilio metacercariae (n=476) in 2 species (H. lineatus and Pristolepis fasciata), C. formosanus metacercariae (n=1) in 1 species (H. lineatus), and Procerovum sp. metacercariae (n=63) in 1 species (Anabas testudineus). From the above results, it has been confirmed that various freshwater fish play the role of a second intermediate host for zoonotic trematodes (O. viverrini, H. yokogawai, H. pumilio, C. formosanus, and Procerovum sp.) in Cambodia. Citations Citations to this article as recorded by Prevalence of Foodborne Trematodes in Small Indigenous Fish Species in Local Markets of Phnom Penh, Cambodia Domenico Caruso, Lin Kong, Samnang Keo, Sreyni Yoeurn, Samphal Seng Vector-Borne and Zoonotic Diseases.2024; 24(3): 141. CrossRef Ingrained: Rice farming and the risk of zoonotic spillover, examples from Cambodia Benjamin L. Sievers, Sudipta Hyder, Filip Claes, Erik A. Karlsson One Health.2024; 18: 100696. CrossRef Immunological and molecular evaluation of zoonotic metacercarial infection in freshwater fish: A cross-sectional analysis Olfat A. Mahdy, Mai A. Salem, Mohamed Abdelsalam, Iman B. Shaheed, Marwa M. Attia Research in Veterinary Science.2024; : 105239. CrossRef Zoonotic human liver flukes, a type 1 biocarcinogen, in freshwater fishes: genetic analysis and confirmation of molluscan vectors and reservoir hosts in Bangladesh Sharmin Shahid Labony, Md. Abdul Alim, Muhammad Mehedi Hasan, Md. Shahadat Hossain, Sharmin Akter, Joydeep Paul, Thahsin Farjana, Md. Haydar Ali, Mohammad Zahangir Alam, Takeshi Hatta, Hayato Kawada, Keiko Mizutani, Naotoshi Tsuji, Anisuzzaman Infectious Diseases of Poverty.2024;[Epub] CrossRef Biological Hazards and Indicators Found in Products of Animal Origin in Cambodia from 2000 to 2022: A Systematic Review Shwe Phue San, Rortana Chea, Delia Grace, Kristina Roesel, Sothyra Tum, Stephen Young, Tumnoon Charaslertrangsi, Nazanin Zand, Shetty Seetharama Thombathu, Ra Thorng, Leab Kong, Kuok Fidero, Linda Nicolaides International Journal of Environmental Research and Public Health.2024; 21(12): 1621. 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 An Integrated Coproscopic and Molecular Method Provides Insights into the Epidemiology of Zoonotic Intestinal Helminths of Dogs across Cambodia Patsy A. Zendejas-Heredia, Vito Colella, Lucas G. Huggins, Roland Schaper, Bettina Schunack, Rebecca J. Traub, Long-Xian Zhang Transboundary and Emerging Diseases.2023; 2023: 1. CrossRef Trematode metacercariae and adults in cyprinoid fish from Khun Thale Swamp in Surat Thani province, Thailand Kanda Kamchoo, Jong-Yil Chai Parasites, Hosts and Diseases.2023; 61(2): 163. CrossRef General overview of the current status of human foodborne trematodiasis Jong-Yil Chai, Bong-Kwang Jung Parasitology.2022; 149(10): 1262. CrossRef Haplorchis pumilio Hudson Pinto CABI Compendium.2022;[Epub] CrossRef Very low prevalence of Opisthorchis viverrini s.l. cercariae in Bithynia siamensis siamensis snails from the canal network system in the Bangkok Metropolitan Region, Thailand Phuphitchan Rachprakhon, Watchariya Purivirojkul Parasite.2021; 28: 2. 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 A survey of parasites in freshwater fishes from Nong Han wetland, Udon Thani Province, Thailand Julaluk Juntaban, Wassana Prisingkorn, Sutee Wongmaneeprateep, Pattama Wiriyapattanasub Parasitology Research.2021; 120(11): 3693. 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 Foodborne intestinal flukes: A brief review of epidemiology and geographical distribution Jong-Yil Chai, Bong-Kwang Jung Acta Tropica.2020; 201: 105210. CrossRef Diagnosis of Centrocestus formosanus Infection in Zebrafish (Danio rerio) in Italy: A Window to a New Globalization-Derived Invasive Microorganism Antonino Pace, Ludovico Dipineto, Serena Aceto, Maria Concetta Censullo, Maria Carmen Valoroso, Lorena Varriale, Laura Rinaldi, Lucia Francesca Menna, Alessandro Fioretti, Luca Borrelli Animals.2020; 10(3): 456. 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 High Prevalence of Clonorchis sinensis and Other Zoonotic Trematode Metacercariae in Fish from a Local Market in Yen Bai Province, Northern Vietnam Fuhong Dai, Sung-Jong Hong, Jhang Ho Pak, Thanh Hoa Le, Seung-Ho Choi, Byoung-Kuk Na, Woon-Mok Sohn The Korean Journal of Parasitology.2020; 58(3): 333. CrossRef Infection status with zoonotic trematode metacercariae in fish from Lao PDR Jong-Yil Chai, Soon-Hyung Lee, Han-Jong Rim, Woon-Mok Sohn, Bounlay Phommasack Acta Tropica.2019; 199: 105100. CrossRef Human liver fluke Opisthorchis viverrini (Trematoda, Opisthorchiidae) in Central Myanmar: New records of adults and metacercariae identified by morphology and molecular analysis Oranuch Sanpool, Win Pa Pa Aung, Rutchanee Rodpai, Wanchai Maleewong, Pewpan M. Intapan Acta Tropica.2018; 185: 149. CrossRef Multiplex PCR assay for discrimination of Centrocestus caninus and Stellantchasmus falcatus Thapana Chontananarth Asian Pacific Journal of Tropical Biomedicine.2017; 7(2): 103. CrossRef First report and molecular identification of Opisthorchis viverrini infection in human communities from Lower Myanmar Win Pa Pa Aung, Thi Thi Htoon, Htay Htay Tin, Kyi Kyi Thinn, Oranuch Sanpool, Jurairat Jongthawin, Lakkhana Sadaow, Issarapong Phosuk, Rutchanee Rodpai, Pewpan M. Intapan, Wanchai Maleewong, Petr Heneberg PLOS ONE.2017; 12(5): e0177130. CrossRef Fishborne zoonotic heterophyid infections: An update Jong-Yil Chai, Bong-Kwang Jung Food and Waterborne Parasitology.2017; 8-9: 33. CrossRef Zoonotic Trematode Metacercariae in Fish from Yangon, Myanmar and Their Adults Recovered from Experimental Animals Jong-Yil Chai, Woon-Mok Sohn, Byoung-Kuk Na, Jong-Bok Park, Hoo-Gn Jeoung, Eui-Hyug Hoang, Thi Thi Htoon, Htay Htay Tin The Korean Journal of Parasitology.2017; 55(6): 631. CrossRef Prevalence of fish-borne trematodes of the family Heterophyidae at Pasak Cholasid Reservoir, Thailand D. Krailas, N. Veeravechsukij, C. Chuanprasit, D. Boonmekam, S. Namchote Acta Tropica.2016; 156: 79. CrossRef Stellantchasmus falcatus (Digenea: Heterophyidae) in Cambodia: Discovery of Metacercariae in Mullets and Recovery of Adult Flukes in an Experimental Hamster Jong-Yil Chai, Woon-Mok Sohn, Byoung-Kuk Na, Hoo-Gn Jeoung, Muth Sinuon, Duong Socheat The Korean Journal of Parasitology.2016; 54(4): 537. CrossRef Susceptibility, metacercarial burden, and mortality of juvenile silver barb, common carp, mrigal, and tilapia following exposure to Haplorchis taichui Kulthida Kopolrat, Paiboon Sithithaworn, Smarn Tesana, Ross H. Andrews, Trevor N. Petney Parasitology Research.2015; 114(4): 1433. CrossRef Infection Status of Zoonotic Trematode Metacercariae in Fishes from Vientiane Municipality and Champasak Province in Lao PDR Keeseon S. Eom, Han-Sol Park, Dongmin Lee, Woon-Mok Sohn, Tai-Soon Yong, Jong-Yil Chai, Duk-Young Min, Han-Jong Rim, Bounnaloth Insisiengmay, Bounlay Phommasack The Korean Journal of Parasitology.2015; 53(4): 447. CrossRef 12,137 View 135 Download 30 Web of Science 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 Korean J Parasitol 2012;50(2):173-176. Published online May 24, 2012 DOI: https://doi.org/10.3347/kjp.2012.50.2.173 Abstract PDF Opisthorchis viverrini infection was found to be highly prevalent in 3 riverside villages (Ang Svay Chek A, B, and C) of the Prey Kabas District, Takeo Province. This area is located in the southern part of Cambodia, where the recovery of adult O. viverrini worms was recently reported. From May 2006 until May 2010, fecal examinations were performed on a total of 1,799 villagers using the Kato-Katz thick smear technique. In the 3 villages, the overall positive rate for helminth eggs ranged from 51.7 to 59.0% (av. 57.4%), and the percentage positive for O. viverrini was 46.4-50.6% (47.5%). Other helminths detected included hookworms (13.2%), echinostomes (2.9%), Trichuris trichiura (1.3%), Ascaris lumbricoides (0.6%), and Taenia spp. (0.06%). The prevalence of O. viverrini eggs appeared to reflect a lower infection in younger individuals (<20 years) than in the adult population (>20 years). Men (50.4%) revealed a significantly higher (P=0.02) prevalence than women (44.3%). The Ang Svay Chek villages of the Prey Kabas District, Takeo Province, Cambodia have been confirmed to be a highly endemic area for human O. viverrini infection. Citations Citations to this article as recorded by Nationwide spatial dynamics of taeniasis in Thailand: declining prevalence but shifting focus and One Health risk factors across 2008–2014 Pornphutthachat Sota, Kefyalew Addis Alene, Thitima Wongsaroj, Sirikachorn Tangkawattana, Archie C. A. Clements, Banchob Sripa Parasites & Vectors.2025;[Epub] CrossRef High Prevalence of Echinostoma mekongi Infection in Schoolchildren and Adults, Kandal Province, Cambodia Bong-Kwang Jung, Taehee Chang, Seungwan Ryoo, Sooji Hong, Jeonggyu Lee, Sung-Jong Hong, Woon-Mok Sohn, Virak Khieu, Rekol Huy, Jong-Yil Chai Emerging Infectious Diseases.2024;[Epub] CrossRef Global prevalence of 4 neglected foodborne trematodes targeted for control by WHO: A scoping review to highlight the gaps Rachel Tidman, Kaushi S. T. Kanankege, Mathieu Bangert, Bernadette Abela-Ridder, Paul R. Torgerson PLOS Neglected Tropical Diseases.2023; 17(3): e0011073. CrossRef High endemicity of Opisthorchis viverrini infection among people in northern Cambodia confirmed by adult worm expulsion Bong-Kwang Jung, Sooji Hong, Taehee Chang, Jaeeun Cho, Seungwan Ryoo, Keon Hoon Lee, Jeonggyu Lee, Woon-Mok Sohn, Sung-Jong Hong, Virak Khieu, Rekol Huy, Jong-Yil Chai Scientific Reports.2023;[Epub] CrossRef An Integrated Coproscopic and Molecular Method Provides Insights into the Epidemiology of Zoonotic Intestinal Helminths of Dogs across Cambodia Patsy A. Zendejas-Heredia, Vito Colella, Lucas G. Huggins, Roland Schaper, Bettina Schunack, Rebecca J. Traub, Long-Xian Zhang Transboundary and Emerging Diseases.2023; 2023: 1. CrossRef Foodborne zoonotic parasites of the family Opisthorchiidae Weerachai Saijuntha, Paiboon Sithithaworn, Trevor N. Petney, Ross H. Andrews Research in Veterinary Science.2021; 135: 404. 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 Low-Grade Endemicity of Opisthorchiasis, Yangon, Myanmar Woon-Mok Sohn, Bong-Kwang Jung, Sung-Jong Hong, Keon-Hoon Lee, Jong-Bok Park, Hyun-Seung Kim, Seon Cho, Thi Thi Htoon, Htay Htay Tin, Jong-Yil Chai Emerging Infectious Diseases.2019; 25(7): 1435. CrossRef Current Perspectives on Opisthorchiasis Control and Cholangiocarcinoma Detection in Southeast Asia Narong Khuntikeo, Attapol Titapun, Watcharin Loilome, Puangrat Yongvanit, Bandit Thinkhamrop, Nittaya Chamadol, Thidarat Boonmars, Teerachai Nethanomsak, Ross H. Andrews, Trevor N. Petney, Paiboon Sithithaworn Frontiers in Medicine.2018;[Epub] CrossRef Cysticercosis/taeniasis endemicity in Southeast Asia: Current status and control measures Hai-Wei Wu, Akira Ito, Lin Ai, Xiao-Nong Zhou, Luz P. Acosta, Arve Lee Willingham III Acta Tropica.2017; 165: 121. CrossRef Artyfechinostomum malayanum: Metacercariae Encysted in Pila sp. Snails Purchased from Phnom Penh, Cambodia Woon-Mok Sohn, Tai-Soon Yong, Keeseon S. Eom, Muth Sinuon, Hoo-Gn Jeoung, Jong-Yil Chai The Korean Journal of Parasitology.2017; 55(3): 341. CrossRef Opisthorchis viverrini infections and associated risk factors in a lowland area of Binh Dinh Province, Central Vietnam Thanh Thi Ha Dao, Tuan Van Bui, Emmanuel Nji Abatih, Sarah Gabriël, Thanh Thi Giang Nguyen, Quang Hong Huynh, Chuong Van Nguyen, Pierre Dorny Acta Tropica.2016; 157: 151. 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CrossRef 11,268 View 133 Download Crossref Detection of Gnathostoma spinigerum Third-Stage Larvae in Snakeheads Purchased from a Central Part of Myanmar Bong-Kwang Jung, Jin-Ju Lee, Kyoung-Ho Pyo, Hyeong-Jin Kim, Hoo-Gn Jeong, Cheong-Ha Yoon, Soon-Hyung Lee, Eun-Hee Shin, Jong-Yil Chai Korean J Parasitol 2008;46(4):285-288. Published online December 20, 2008 DOI: https://doi.org/10.3347/kjp.2008.46.4.285 Abstract PDF To examine the infection status of freshwater fish with Gnathostoma spp. larvae in Myanmar, we purchased 15 snakeheads, Channa striatus, from a local market in a suburban area of Naypyidaw, the new capital city. Two larval gnathostomes were collected using an artificial digestion technique, and observed by a light microscope and a scanning electron microscope. The size of an intact larva was 2.65 mm long and 0.32 mm wide. The characteristic morphology of the larvae included the presence of a long esophagus (0.80 mm long), 2 pairs of cervical sacs (0.43 mm long), and a characteristic head bulb with 4 rows of hooklets. The number of hooklets in the 1st, 2nd, 3rd, and 4th row was 45, 48, 50, and 52, respectively. Based on these morphological characters, the larvae were identified as the advanced 3rd-stage larvae of Gnathostoma spinigerum. This is the first report of detection of G. spinigerum 3rd-stage larvae in the central part of Myanmar. Our study suggests that intake of raw meat of snakehead fish in Myanmar may result in human gnathostomiasis. Citations Citations to this article as recorded by The occurrence and clinical importance of infectious stage of Echinocephalus (Nematoda: Gnathostomidae) larvae in selected Australian edible fish Shokoofeh Shamsi, Eleanor Steller, Xiaocheng Zhu Parasitology International.2021; 83: 102333. CrossRef Detection of Gnathostoma spinigerum Advanced 3rd-Stage Larvae in the Chinese Edible Frog, Hoplobatrachus rugulosus, from Local Markets in Phnom Penh, Cambodia Woon-Mok Sohn, Bong-Kwang Jung, Sooji Hong, Seungwan Ryoo, Keon Hoon Lee, Virak Khieu, Jong-Yil Chai The Korean Journal of Parasitology.2021; 59(5): 519. CrossRef Larval Gnathostomes and Spargana in Chinese Edible Frogs, Hoplobatrachus rugulosus, from Myanmar: Potential Risk of Human Infection Jong-Yil Chai, Bong-Kwang Jung, Jin-Youp Ryu, Hyun-Seung Kim, Sung-Jong Hong, Thi Thi Htoon, Htay Htay Tin, Byoung-Kuk Na, Woon-Mok Sohn The Korean Journal of Parasitology.2020; 58(4): 467. CrossRef Larval Gnathostomes and Zoonotic Trematode Metacercariae in Fish from a Local Market in Yangon City, Myanmar Jong-Yil Chai, Bong-Kwang Jung, Keon Hoon Lee, Jin-Youp Ryu, Hyeon-Seung Kim, Sung-Jong Hong, Thi Thi Htoon, Htay Htay Tin, Byoung-Kuk Na, Woon-Mok Sohn The Korean Journal of Parasitology.2020; 58(6): 701. CrossRef Molecular identification and genetic diversity of Gnathostoma spinigerum larvae in freshwater fishes in southern Lao PDR, Cambodia, and Myanmar Patcharaporn Boonroumkaew, Oranuch Sanpool, Rutchanee Rodpai, Lakkhana Sadaow, Chalermchai Somboonpatarakun, Sakhone Laymanivong, Win Pa Pa Aung, Mesa Un, Porntip Laummaunwai, Pewpan M. Intapan, Wanchai Maleewong Parasitology Research.2019; 118(5): 1465. CrossRef Gnathostomatidae nematode parasite of Colomesus psittacus (Osteichthyes, Tetraodontiformes) in the Ilha de Marajó, Brazilian Amazon Raul Henrique da Silva Pinheiro, Ricardo Luís Sousa Santana, Francisco Tiago Vasconcelos Melo, Jeannie Nascimento dos Santos, Elane Guerreiro Giese Revista Brasileira de Parasitologia Veterinária.2017; 26(3): 340. CrossRef *Larval Gnathostoma spinigerum* Detected in Asian Swamp Eels, Monopterus albus, Purchased from a Local Market in Yangon, Myanmar** Jong-Yil Chai, Woon-Mok Sohn, Byoung-Kuk Na, Jong-Bok Park, Hoo-Gn Jeoung, Eui-Hyug Hoang, Thi Thi Htoon, Htay Htay Tin The Korean Journal of Parasitology.2015; 53(5): 619. 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 Gnathostoma spinigerum: Immunodepression in experimental infected mice Wilai Saksirisampant, Sunida Thaisom, Mai Ratanavararak, Benjamas Wongsatayanon Thanomsub Experimental Parasitology.2012; 132(3): 320. CrossRef 10,618 View 102 Download Crossref 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 Korean J Parasitol 2007;45(3):205-211. Published online September 20, 2007 DOI: https://doi.org/10.3347/kjp.2007.45.3.205 Abstract PDF The infection status of mullets Mugil cephalus (n = 139) and gobies (n = 35) Acanthogobius flavimanus with metacercariae of Heterophyes nocens and Pygidiopsis summa was examined in 11 western, southern, and eastern coastal areas of the Republic of Korea, using a digestion technique. Heterophyid metacercariae were highly prevalent in mullets from western and southern coastal areas; Shinan-gun (100% for H. nocens and 100% for P. summa), Muan-gun (93% and 100%), Buan-gun (42% and 75%), Seocheon-gun (73% and 53%), Ganghwa-gun (47% and 100%), Sacheon-shi (47% and 77%), and Gangjin-gun (50% and 70%, respectively). Only 1 (10%) of 10 mullets from an eastern coastal area, i.e., Donghae-shi, was positive for P. summa metacercariae. Metacercarial densities were the highest in the trunk of mullets for H. nocens and the gill for P. summa. Gobies from Muan-gun were positive for H. nocens (40%) and P. summa metacercariae (40%), and gobies from Seocheon-gun revealed H. nocens metacercariae (20%). The metacercarial density was remarkably higher in mullets than in gobies. The results revealed that H. nocens and P. summa metacercariae are prevalent in mullets and gobies from coastal areas of the Republic of Korea, and the prevalence and intensity of infection vary according to geographical locality. Citations Citations to this article as recorded by 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 General overview of the current status of human foodborne trematodiasis Jong-Yil Chai, Bong-Kwang Jung Parasitology.2022; 149(10): 1262. CrossRef Foodborne intestinal flukes: A brief review of epidemiology and geographical distribution Jong-Yil Chai, Bong-Kwang Jung Acta Tropica.2020; 201: 105210. 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 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 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 Fish-borne Parasitic Diseases Jong-Yil Chai Hanyang Medical Reviews.2010; 30(3): 223. 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 Prevalence of Zoonotic Metacercariae in Two Species of Grouper, Epinephelus coioides and Epinephelus bleekeri, and Flathead Mullet, Mugil cephalus, in Vietnam Dung The Vo, Darwin Murrell, Anders Dalsgaard, Glenn Bristow, Dung Huu Nguyen, Thanh Ngoc Bui, Dung Thi Vo The Korean Journal of Parasitology.2008; 46(2): 77. CrossRef 9,501 View 83 Download Crossref