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Assessing the effects of a two-amino acid flexibility in the Hemagglutinin 220-loop receptor-binding domain on the fitness of Influenza A(H9N2) viruses

1 Jan 2021

Abstract excerpt

The enzootic and zoonotic nature of H9N2 avian influenza viruses poses a persistent threat to the global poultry industry and public health. In particular, the emerging sublineage h9.4.2.5 of H9N2 viruses has drawn great attention. In this study, we determined the effects of the flexibility at residues 226 and 227 in the hemagglutinin on the receptor avidity and immune evasion of H9N2 viruses. The solid-phase...

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PMID: 33866955
DOI: 10.1080/22221751.2021.1919566

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