GU052223   Influenza A virus (A/blackhead gull/Astrakhan/65/1983(H13N6)) matrix protein 2 (M2) and matrix protein 1 (M1) genes, complete cds.   [Influenza A virus (A/black-headed gull/Astrakhan/65/1983(H13N6)) A/blackhead gull/Astrakhan/65/1983 | 680699.6]