GU083621   Influenza A virus (A/chicken/West Bengal/81760/2008(H5N1)) segment 2 polymerase PB1 (PB1) and putative PB1-F2 protein (PB1-F2) genes, complete cds.   [Influenza A virus (A/chicken/West Bengal/81760/2008(H5N1)) | 683690.7]