AgricultureInfectious DiseasesPoultry ScienceMolecular VirologyPoultry MicrobiologyVirologyPoultry Infectious DiseasesPoultry Respiratory DiseasesPoultry VirologyViral Diseases Of PoultryAvian Influenza InfectionAvian Influenza VirusAvian Influenza VirusesHemagglutinin-receptor BindingPathogen InfectivityPathogenicity MechanismsViral Pathogenesis In PoultryWhole-genome Sequencing Analysis
< 0.05) less thermostable than P0. Collectively, after 19 passages in chickens the H9N2 AIVs retained low pathogenicity with a positive selection of L226 in the HA. These findings suggest that H9N2 viruses might acquire mammalian specificity after asymptomatic circulation in avian species.
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