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KMID : 0425120160540020215
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Parasites, Hosts and Diseases
2016 Volume.54 No. 2 p.215 ~ p.219
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Prevalence of Clonorchis sinensis Infection among Residents along 5 Major Rivers in the Republic of Korea
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Jeong Young-Il
Shin Hee-Eun
Lee Sang-Eun
Cheun Hyeng-Il
Ju Jung-Won
Kim Jung-Yeon
Park Mi-Yeoun
Cho Shin-Hyeong
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Abstract
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Clonorchis sinensis is currently the most important parasite affecting public health problems in the Republic of Korea. We investigated the prevalence of C. sinensis infection among residents living along 5 major rivers in Korea. A total of 42,562 individual stool samples were collected from 37 localities and examined using the formalin-ether sedimentation technique. Helminth eggs were detected in 4,052 (9.5%) residents and 3,586 (8.4%) were infected with C. sinensis. The egg positive rate of C. sinensis in Nakdong, Seomjin, Geum, Yeongsan, and Han River was 11.7%, 9.9%, 6.5%, 3.1%, and 1.0%, respectively. The overall prevalence of clonorchiasis by sex was 11.2% in males and 6.2% in females. The age-prevalence was the highest in the 50-59 years band. It has been reconfirmed that the endemicity of clonorchiasis is higher in southern areas of Korea, especially along Nakdong and Seomjin Rivers. A combination of continuous control programs with health education initiatives is urgently required in these highly endemic areas of clonorchiasis in Korea.
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KEYWORD
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Clonorchis sinensis, clonorchiasis, prevalence, riverside resident, 5 major rivers, Korea
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