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KMID : 03772198219820000197
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Medical Journal of Chosun Univercity
1982 Volume.7 No. 1 p.197 ~ p.205
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Enterobius vermicularis Infection in Primary School-children and Environmental Contamination with Enterobius Eggs
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金東熙/Kim, Dong Hee
文宰奎/鄭耀翰/Moon, Jae Gyu/Chung, Yo Han
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Abstract
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This study was undertaken to evaluate the present status of Enterobius vermicularis in primary school-children from May through July 1981, in urban and rural area. The methods employed were anal swab for the prevalence rate of Enterobius vermicularis infection among 2,690 school-children (male : 1,326, female : 1,346) and zinc-sulfate centrifugal floatation technique for environmental contamination with Enterobius eggs.
The following results were obtained in this study.
1. The prevalence rate of Enterobius vermicularis infection in 13.0% (male : 12.7%, female : 13.3%) by anal swab.
2. The prevalence rate of Enterobius vermicularis infection in 1,054 school-children of rural area was 17.3%(male : 17.8%, female : 16.8%), and in 1,636 school-children of urban area was 10.3%(male : 9.6%, female : 11.0%) by anal swab. It was significantly higher in school-children of rural than urban area.
3. It was revealed by zinc-sulfate centrifugal floation technique 1.7% in 460 school-children were contaminated with the Enterobius eggs on thier nail bed.
4. The positive rate of eggs in nail was analysed to see the collrelation with positiveness of anal swab. Among 57 positive anal swabs, 7(12.3%) revealed the contamination of eggs in nail but incase of 403 negative anal swab case only 1 was contaminated. The difference was significant.
5. Contamination of classroom dust of primary school with Enterobius eggs. Total 188 collections(1-2 grams per sample) of dust from the primary schools were examined to fine out the degree of contamination by applying the zinc-sulfate centrifudal floatation technique. It was revealed that only 1 samle in 188 were contaminated with eggs of Enterobius vermicularis.
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