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KMID : 1143420160090070118
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Public Health Weekly Report
2016 Volume.9 No. 7 p.118 ~ p.124
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Survey on the Prevalence of Intestinal Parasitic Infections in Korea, 2014
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Cho Shin-Hyeong
Shin Hee-Eun
Lee Sang-Eun
Park Mi-Yeoun
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Abstract
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BACKGROUND: Intestinal parasites infect the gastro-intestinal tract of human. Particularly, Clonorchis sinensis is the most harmful parasite in the human body. Currently, it is estimated that more than 100 million people are at risk of infection. C. sinensis was reclassified as Group 1 Biocarcinogen by the International Agency for Research on Cancer (IARC) in 2009.
METHODOLOGY: From January to December 2014, a total of 41,909 inhabitants living in 39 villages were examined. Each stool specimen was analyzed through the formalin-ether sedimentation method. Egg-positive cases were further analyzed by EPG(egg per gram) counting technique, and either praziquantel or albendazole was administered to positive cases.
RESULTS: The overall egg positive rate of intestinal parasites was 6.6%. The regional results were the following: Gyeongsangnam-do with 11.4%;, Chungcheongbuk-do with 8.2%;, and Gyeongsangbuk-do with 6.5%. The egg-positive rate was higher in males(7.4%) than females(3.4%). Age-based prevalence of intestinal parasitic infection showed the highest level in the 50-59 years(6.9%) age group. There is still a high infection prevalence of C. sinensis and Metagonimus yokogawai in the surveyed regions, especially in the riverside areas. Therefore, KCDC should continuously implement control measures through programed plans.
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