JX473008   Influenza A virus (A/Vladivostok/28/2012(H1N1)) segment 2 PB1 (PB1) gene, complete cds; and nonfunctional PB1-F2 protein (PB1-F2) gene, complete sequence.   [Influenza A virus (A/Vladivostok/28/2012(H1N1)) | 1220770.4]