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Three highly pathogenic H5N5 avian influenza viruses (HPAI), A/duck/Guangdong/wy11/2008 (WY11), A/duck/Guangdong/wy19/2008 (WY19), and A/duck/Guangdong/wy24/2008 (WY24) were isolated from ducks in southern China in April 2008. Here, we characterized these viruses by performing sequencing and phylogenetic analyses of their viral genes, assessing their virulence in ducks and mice, and performing cross-protection...
A new emerging flavivirus caused severe egg-drop in poultry and spread quickly across most duck-producing regions of China in 2010. Complete genome sequencing indicated that the virus genome is 10,989 nucleotides in length and possesses typical flavivirus genome organization, 5′ untranslated region (UTR)-Cv-Ci-prM-M-E-NS1-NS2A-NS2B-NS3-NS4A-2K-NS4B-NS5-3′-UTR. The long open reading frame (ORF) encodes...
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