HM849023   Influenza A virus (A/mallard/PT/35910-2/2006(H4N6)) segment 2 polymerase PB1 (PB1) and PB1-F2 protein (PB1-F2) genes, complete cds.   [Influenza A virus (A/mallard/PT/35910-2/2006(H4N6)) | 867705.7]