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Genetic Determinants for Virulence and Transmission of the Panzootic Avian Influenza Virus H5N8 Clade 2.3.4.4 in Pekin Ducks

7 Jun 2022

Abstract excerpt

Since 2014, several waves of avian influenza virus (AIV) H5N8 of clade 2.3.4.4 occurred globally on unprecedented levels. Unlike viruses in the first wave in 2014-2015 (H5N8-A), viruses in 2015-2016 (H5N8-B) exhibited unusually high pathogenicity (HP) in wild and domestic ducks. Here, we found that the high virulence of H5N8-B in Pekin ducks could be attributed to multiple factors in combination, namely,...

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PMID: 35670594
DOI: 10.1128/jvi.00149-22

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