Korean J Parasitol.
2014 Dec;52(6):661-666. 10.3347/kjp.2014.52.6.661.
Prevalence of Intestinal Helminths among Inhabitants of Cambodia (2006-2011)
- Affiliations
-
- 1Department of Environmental Medical Biology and Arthropods of Medical Importance Bank, Institute of Tropical Medicine, Yonsei University College of Medicine, Seoul 120-752, Korea.
- 2Department of Parasitology and Tropical Medicine, Seoul National University College of Medicine, Seoul 110-799, Korea. cjy@snu.ac.kr
- 3Department of Parasitology and Tropical Medicine, and Institute of Health Sciences, Gyeongsang National University School of Medicine, Jinju 660-751, Korea.
- 4Department of Parasitology and Medical Research Institute, Chungbuk National University School of Medicine, Cheongju 361-763, Korea.
- 5Korea Association of Health Promotion, Seoul 157-916, Korea.
- 6Center for Parasitology, Entomology, and Malaria Control, Phnom Penh, Cambodia.
- KMID: 2069817
- DOI: http://doi.org/10.3347/kjp.2014.52.6.661
Abstract
- 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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