Abstract
Avian influenza viruses (H5N1) of clades 2.3.4.1, 2.3.4.2, and 2.3.2.1 were introduced into Laos in 2009-2010. To investigate these viruses, we conducted active surveillance of poultry during March 2010. We detected viruses throughout Laos, including several interclade reassortants and 2 subgroups of clade 2.3.4, one of which caused an outbreak in May 2010.
Publication types
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Research Support, N.I.H., Extramural
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Research Support, Non-U.S. Gov't
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Research Support, U.S. Gov't, Non-P.H.S.
MeSH terms
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Animals
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Chickens / virology*
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Disease Outbreaks*
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Ducks / virology*
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Influenza A Virus, H5N1 Subtype* / classification
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Influenza A Virus, H5N1 Subtype* / genetics
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Influenza A Virus, H5N1 Subtype* / isolation & purification
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Influenza in Birds / epidemiology*
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Influenza in Birds / virology
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Laos / epidemiology
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Phylogeny
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Poultry
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Poultry Diseases / epidemiology*
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Poultry Diseases / virology
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Sentinel Surveillance / veterinary
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Sequence Analysis, DNA