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Phylogenetic analysis of swine influenza viruses recently isolated in Korea

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Authors
Lee, C. S.; Kang, B. K.; Kim, H. K.; Park, S. J.; Park, BongKyun; Jung, K.; Song, D. S.
Issue Date
2008-06-24
Publisher
Springer Verlag
Citation
Virus Genes 37, 168-176 (2008)
Keywords
Swine influenza virusH1N1H1N2H3N2 genetic characterization
Abstract
Several influenza A viral subtypes were isolated from pigs during a severe outbreak of respiratory disease in Korea during 2005 and 2006. They included a classical swine H1N1 subtype, two swine-human-avian triple-recombinant H1N2 subtypes, and a swine-human-avian triple-recombinant H3N2 subtype. In the current study, genetic characterization to determine the probable origin of these recent isolates was carried out for the first time. Phylogenetic analysis indicated that all the recent Korean isolates of H1N1, H1N2, and H3N2 influenza are closely related to viruses from the United States. Serologic and genetic analysis indicated that the Korean H1N2 viral subtypes were introduced directly from the United States, and did not arise from recombination between Korean H1N1 and H3N2. We suggest that the H1N1, H1N2, and H3N2 viral subtypes that were isolated from the Korean swine population originated in North America, and that these viruses are currently circulating in the Korean swine population.
ISSN
0920-8569 (print)
1572-994X (online)
Language
English
URI
http://hdl.handle.net/10371/8319
DOI
https://doi.org/10.1007/s11262-008-0251-z
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College of Veterinary Medicine (수의과대학)Dept. of Veterinary Medicine (수의학과)Journal Papers (저널논문_수의학과)
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