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KMID : 0379320020270020027
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Korean Journal of Rural Medicine
2002 Volume.27 No. 2 p.27 ~ p.33
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A Seroepidemiological Survey for Human Clonorchiasis on Soonchang-gun Near the Sumjin River in Korea
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Kim Suk-Il
Oh Gyung-Jae
Park Hyun
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Abstract
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Aims: This study was carried out to find the prevalence of human clonorehiasis and to know epidemiological features in a Clonorchis sinensis-endemic area in Korea.
Methods and materials: The EHSA was applied for the serodiagnosis of clonorchiasis. A total of 2,591 inhabitants at Soonchang-gun county adjacent to the Sumjin River were screened through the assay. The questionnaire survey was performed for several epidemiological points related to C. sinensis infection. Data from ~Il3 inhabitants were processed for the statistical analysis.
Results: The prevalence of human clonorchiasis in Soonchang-gun was 16.l% in average from 33.6% to 7.0% according to the villages of the survey. In the riverside villages to the Sumjin River the prevalences were higher than those in other villages located far from the river. The odd ratio (OR) between men and women was 2.76, indicating that the clonorchiasis was 2.76 times more prevalent in man than woman. The ORs were 2.14 in alcoholic group, 2.40 in the group of raw- ating of fresh-water fishes, 2.44 in the people who thought they were healthy, 5.23 in the people who knew well about the clonorchiasis, and 3.32 in the people who had again raw-eating of the fishes following medication.
Conclusions: These results suggested that human clonorchiasis was still highly endemic in riverside area of the Sumjin River and some predisposing factors such as raw-eating of fresh-water fishes were significantly related to the human clonorchiasis.
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KEYWORD
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Clonorchis sinensis, Seroepidemiology, Prevalence, ELJSA
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