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KMID : 0379319810060010061
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Korean Journal of Rural Medicine
1981 Volume.6 No. 1 p.61 ~ p.67
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Epidemiological Survey on Clonorchis sinensis in Infection in Yedang Reservoir, Choong-cheong Namdo
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柳鍾喆/Ryu, Jong-Cheol
宋炅煥/李駿商/林漢鍾/Joo, Kyoung-Hwan/Lee, Joon-Sang/Rim, Han-Jong
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Abstract
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This survey was undertaken to evaluate the status of clonorchiasis in Chang-gok Myun, flong-Seong Gun adjacent to Yedang reservoir from Sept., 1980 to Oct., 1981.
A total of 550 subjects (male 318, and female 232) were examined by cellophanethick smear techique and formalin-ether method.
In order to identify the intensity of the Clonorchis sinensis infection, Stoll´s egg dilution counting method was also applied to the C. sinensis positive cases.
The following results were obtained in this survey;
1. In the examination of 550 subjects, Clonorchis sinensis eggs were found in 167 cases (30.4%). Male subjects showed 43.4% positive rates and female represented 12.5%.
2. The highest prevalence rate of Clonor this sinensis was found in 40~49 year group in male (64.2%) and 30~39 year group in female (22.0%), although 14.3% ~16.7% positive rates were found in young aged group.
3. Mean E.P.G. of Clonorchis sinensis infected cases were 6,148, showing 7,533 in male and 5,193 in female.
4. The degree of intensity of Clonorchis sinensis infection by E.P.G. count was distributed as 30.4% in light infection (1~999), 45.7% in moderate infection (1,000~29,999) and 5.8% in very heavy infection (over 30,000) in male. Female showed 48.3% in light, 37.9% in moderate, 10.3% in heavy and 3.50/0 in very heavy infection.
5. Other helminthes infection rate was 15.6 in Ascaris lumbricoides infection, 15.1% in Trichuris trichiura infection and 4.41 of male subjects showed eggs of Taenia species.
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