🦆 In Viruses: NS1-F161L is identified as a key virulence marker of H5N6 avian influenza virus in ducks, with implications for H5 AIV surveillance and risk assessment.

🦆 In Viruses: NS1-F161L is identified as a key virulence marker of H5N6 avian influenza virus in ducks, with implications for H5 AIV surveillance and risk assessment.