EF674917   Influenza A virus (A/Mecklenburg-Vorpommern/9/99(H3N2)) segment 7 matrix protein 2 (M2) gene, partial cds; and matrix protein 1 (M1) gene, complete cds.   [Influenza A virus (A/Mecklenburg-Vorpommern/9/99(H3N2)) | 444679.4]