Influenza A viruses isolated from migrating ducks in Oklahoma.

作者： A. ALAN KOCAN , V. S. HINSHAW , GREG A. DAUBNEY

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摘要: Nine type A influenza viruses were isolated from migrating and wintering ducks in Oklahoma 1976-77. Antigenic classification of the revealed three different subtypes: Havl Nav2, Hws Nl, Hav6 N2. Transmission wild to sentinel birds (McGraw mallards) on same lakes was not detected.