Multiple Introductions of Avian Influenza Viruses (H5N1), Laos, 2009–2010
Emerging infectious diseases(2012)
摘要
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.
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关键词
H5N1,influenza,Laos,surveillance,viruses,domestic poultry
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