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KMID : 1143420220150251773
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Public Health Weekly Report
2022 Volume.15 No. 25 p.1773 ~ p.1783
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Infection status of intestinal helminths in 2021
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Lee Myoung-Ro
Ju Jung-Won
Bahk Sun-Ok
Lee Young-Joo
Lee Hee-Il
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Abstract
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The infection status of intestinal parasites among residents living in endemic areas that have high level infection rates of
food-borne parasites such as Clonorchis sinensis were investigated in 2021. This study’s survey used a test method that
gathered stool samples from residents in the endemic areas and the number of eggs were confirmed by microscope. The
rates of intestinal parasite infection were found to have declined by 0.7% from 5.9% in 2020 to 5.2% in 2021. The infection
rate of C. sinensis was 3.3%, and heterophyid flukes was 1.6%, and 0.3% for Trichuris trichiura. Furthermore, a new area
(Yeongdong-gun) was investigated. The infection rates of intestinal parasites was 10.0% which was the third highest
infection rate among all participating areas. Continuous testing and monitoring are necessary to reduce the rate of
intestinal parasite infection.
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KEYWORD
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Intestinal parasites, Clonorchis sinensis, Infection rates
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