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

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40 Citations (Scopus)


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.

Original languageEnglish
Pages (from-to)173-176
Number of pages4
JournalKorean Journal of Parasitology
Issue number2
Publication statusPublished - 2012 Jun

All Science Journal Classification (ASJC) codes

  • Parasitology
  • Infectious Diseases


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