HQ263282   Influenza A virus (A/Bethesda/NIH107-D0/2009(H1N1)) segment 7 matrix protein 2 (M2) and matrix protein 1 (M1) genes, complete cds.   [Influenza A virus (A/Bethesda/NIH107-D0/2009(H1N1)) | 714561.5]