JN714475   Influenza A virus (A/Khaki Campbell duck/Karachi/NARC-23963/2010(H4N6)) segment 1 polymerase PB2 (PB2) gene, partial cds.   [Influenza A virus (A/Khaki Campbell duck/Karachi/NARC-23963/2010(H4N6)) | 1089534.9]