PMID(sorted ascending)
reassortant h9n2 influenza viruses containing h5n1-like pb1 genes isolated from black-billed magpies in southern china.h9n2 influenza a viruses have become endemic in different types of terrestrial poultry and wild birds in asia, and are occasionally transmitted to humans and pigs. to evaluate the role of black-billed magpies (pica pica) in the evolution of influenza a virus, we conducted two epidemic surveys on avian influenza viruses in wild black-billed magpies in guangxi, china in 2005 and characterized three isolated black-billed magpie h9n2 viruses (bbm viruses). phylogenetic analysis indicated that three ...201121980538
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