Investigation on distribution of Yersinia enterocolitica in Henan province between 2005 and 2011

To investigate the distribution of Yersinia enterocolitica in Henan province from 2005 to 2011. A total of 6700 samples of stool specimen were collected from diarrhea patients and different domestic animals between 2005 and 2011 from Zhengzhou, Suixian and Dengfeng, as well as flies and the daub spe...

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Published inZhōnghuá yùfáng-yīxué zázhì Vol. 47; no. 7; p. 612
Main Authors Mu, Yu-jiao, Zhao, Jia-yong, Guo, Qiu-sheng, Guo, Xiao-chun, Jing, Huai-qi, Xia, Sheng-li
Format Journal Article
LanguageChinese
Published China 01.07.2013
Subjects
Animals
Animals, Domestic - microbiology
Bacterial Typing Techniques
China - epidemiology
Humans
Yersinia enterocolitica - isolation & purification
Yersinia Infections - epidemiology
China
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Summary:To investigate the distribution of Yersinia enterocolitica in Henan province from 2005 to 2011. A total of 6700 samples of stool specimen were collected from diarrhea patients and different domestic animals between 2005 and 2011 from Zhengzhou, Suixian and Dengfeng, as well as flies and the daub specimens of raw and cooked meat products. The bacteria were isolated by cold enrichment method, analyzed by the systematic biochemistry to determine the serotypes and bio-types, and tested the virulence genes by PCR method. A total of 216 strains of Yersinia enterocolitica were isolated from 11 kinds of animal hosts and foods, while 29.63% (64/216) of them were from swine. The dominant epidemic serotypes of the Yersinia enterocolitica were O: 5 and O: 8, accounted for 23.2% (50/216) and 20.4% (44/216), respectively; type 1A was the dominant bio-type, accounted for 84.7% (183/216). The dominant serotype and bio-type differed a lot among various hosts.16 pathogenic strains were isolated from swine, followed by diarrhea
ISSN:0253-9624