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KMID : 0368019830060020155
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Journal of Soonchunhyang University
1983 Volume.6 No. 2 p.155 ~ p.161
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Epidemiological Studies of Pathogenic Enterobacteria of Residents and Drinking Water Source of a Rural Area
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Abstract
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A epidemiological survey was carried out to get hold of the distribution of pathogenic enterobacteria in Chung cheong nam-do.
The specimens were :collected in Seosan-Gun and Asan-Gun, during from July 19, 1982 to May 8, 1983.
The total number of 1, 734 specimens were obtained from various sources;: 1, 601 specimens from rectal swabs from persons and 133 specimens from drinking water source.
The isolation and identification of pathogenic enterobacteria were performed by means of bacteriological, serological studies.
1. The isolation rates of pathogenic enterobacteria among the total 1,734 specimens are as follows; Salmonella species 0.40% (7 strains), Shigella species 0.63%(11 strains), and Vibrio parahaemolyticus 0.17% (3 strains).
2. Seven strains of salmonella were isolated from rectal swabs. Its serotyping was identified as Salmonella typhi.
3. Eleven strains of Shigella were isolated from rectal swabs.
The distribution of shigella serotype was identified as Sh. boydii 45.5% (5 strains). Sh. dysenteriae 36.4% (4 strains) and Sh. flexneri 18. 9% (2 strains).
4. Three strains of Vibrio parahaemolyticus were isolated from rectal swabs. Of the 3 strains, the 2 strains were agglutinated with type K-24, 1 strain of the others with K-33.
In the water supplied by piped systems and of wells in sampling areas, the Chemical components were below the maximum Contaminant levels approved by EPA of drinking water.
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