HQ541734   Influenza A virus (A/ruddy turnstone/DE/1538/2000(H7N9)) segment 2 polymerase PB1 (PB1) and PB1-F2 protein (PB1-F2) genes, complete cds.   [Influenza A virus (A/ruddy turnstone/DE/1538/2000(H7N9)) | 333218.6]