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KMID : 0425120140520060661
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Parasites, Hosts and Diseases
2014 Volume.52 No. 6 p.661 ~ p.666
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Prevalence of Intestinal Helminths among Inhabitants of Cambodia (2006-2011)
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Yong Tai-Soon
Chai Jong-Yil
Sohn Woon-Mok
Eom Kee-Seon
Jeoung Hoo-Gn
Hoang Eui-Hyug
Yoon Cheong-Ha
Jung Bong-Kwang
Lee Soon-Hyung
Sinuon Muth
Socheat Duong
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Abstract
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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.
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KEYWORD
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Hookworm, intestinal helminth, prevalence, Cambodia
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