GU052236   Influenza A virus (A/blackhead gull/Astrakhan/1421/1979(H13N6)) segment 8 nuclear export protein (NEP) and nonstructural protein 1 (NS1) genes, complete cds.   [Influenza A virus (A/blackhead gull/Astrakhan/1421/1979(H13N6)) | 680696.3]