Abstract
Surveillance of swine influenza viruses (SIVs) in 31 pig farms in northern and southern parts of Vietnam was conducted. Six H3N2 influenza A viruses were isolated from a pig farm in southern Vietnam. They were novel genetic reassortants between a triple-reassortant SIV and a human seasonal H3N2 virus. Their hemagglutinin and neuraminidase genes were derived from a human virus circulating around 2004-2006 and the remaining genes from a triple-reassortant SIV that originated in North America. This is the first report describing the isolation of a novel triple-reassortant SIV in Vietnam.
© 2011 Blackwell Publishing Ltd.
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Animals
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Hemagglutinin Glycoproteins, Influenza Virus / genetics*
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Humans
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Influenza A Virus, H3N2 Subtype / classification
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Influenza A Virus, H3N2 Subtype / genetics*
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Influenza A Virus, H3N2 Subtype / isolation & purification
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Molecular Sequence Data
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Neuraminidase / genetics*
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Orthomyxoviridae Infections / veterinary*
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Orthomyxoviridae Infections / virology
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RNA, Viral / genetics
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Reassortant Viruses / classification
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Reassortant Viruses / genetics*
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Reassortant Viruses / isolation & purification
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Sequence Analysis, DNA
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Swine
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Swine Diseases / virology*
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Vietnam
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Viral Proteins / genetics*
Substances
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Hemagglutinin Glycoproteins, Influenza Virus
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RNA, Viral
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Viral Proteins
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NA protein, influenza A virus
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Neuraminidase
Associated data
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GENBANK/AB598480
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GENBANK/AB598481
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GENBANK/AB598482
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GENBANK/AB598483
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GENBANK/AB598484
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GENBANK/AB598485
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GENBANK/AB598486
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GENBANK/AB598487
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GENBANK/AB598488
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GENBANK/AB598489
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GENBANK/AB598490
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GENBANK/AB598491
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GENBANK/AB598492
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GENBANK/AB598493
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GENBANK/AB598494
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GENBANK/AB598495
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GENBANK/AB598496
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GENBANK/AB598497
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GENBANK/AB598498
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GENBANK/AB598499
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GENBANK/AB598500
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GENBANK/AB598501
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GENBANK/AB598502
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GENBANK/AB598503
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GENBANK/AB598504
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GENBANK/AB598505
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GENBANK/AB598506
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GENBANK/AB598507
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GENBANK/AB598508
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GENBANK/AB598509
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GENBANK/AB598510
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GENBANK/AB598511
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GENBANK/AB598512
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GENBANK/AB598513
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GENBANK/AB598514
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GENBANK/AB598515
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GENBANK/AB598520
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GENBANK/AB598521
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GENBANK/AB598522
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GENBANK/AB598524
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GENBANK/AB598525
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GENBANK/AB598526
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GENBANK/AB598527