HM568094   Influenza A virus (A/England/766/2009(H1N1)) segment 2 polymerase PB1 (PB1) gene, complete cds; and nonfunctional PB1-F2 protein (PB1-F2) gene, complete sequence.   [Influenza A virus (A/England/766/2009(H1N1)) | 856945.5]