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Determination of Fecal Shedding Rates and Genotypes of Swine Hepatitis E Virus (HEV) in Korea

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Authors
Kim, Sung-Eun; Kim, Mi-Young; Kim, Do-Geun; Song, Young-Jo; Jeong, Hyun-Jeong; Lee, Sang-Won; Lee, Joong-Bok; Park, Seung-Yong; Song, Chang-Seon; Oh, Soon-Jin; Yoo, Han Sang; Choi, In-Soo
Issue Date
2008
Publisher
Japanese Society of Veterinary Science
Citation
J. Vet. Med. Sci. 70: 1367-1371
Keywords
fecal shedding rategenotypehepatitis E virusswine
Abstract
Hepatitis E virus (HEV) infection induces an acute hepatitis or a subclinical disease in humans. It is known that HEV is a zoonotic agent and pigs are major reservoirs of HEV. This study was conducted to determine the fecal shedding rates of HEV in various age groups of pigs and identify the genotypes of swine HEV prevailing in Korea. A total of 565 fecal samples were collected from suckling piglets, post-weaning pigs, growing pigs, and sows at 12 swine farms. RT-PCR was used to detect the presence of swine HEV in the feces. Every swine farm examined in this study had HEV-infected pigs. The fecal shedding rates of the swine HEV at individual farms were in the range of 2.1-35.4%. The overall fecal shedding rate of HEV in individual pigs was 17.5%. The HEV shedding rates of suckling piglets, post-weaning pigs, growing pigs and sows in their feces were 6.3, 16.3, 38.0 and 9.3%, respectively. When the genotypes of swine HEVs identified in this study were determined, they were all grouped into genotype 3. They were further subdivided into subtype 3a together with human and swine HEVs isolated in the U.S.A.
ISSN
0916-7250 (print)
1347-7439 (online)
Language
English
URI
http://hdl.handle.net/10371/8270
DOI
https://doi.org/10.1292/jvms.70.1367
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College of Veterinary Medicine (수의과대학)Dept. of Veterinary Medicine (수의학과)Journal Papers (저널논문_수의학과)
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