GU903095   Influenza A virus (A/spot-billed duck/ Shanghai/22F/2007(H9)) segment 7 matrix protein 2 (M2) gene, partial cds; and matrix protein 1 (M1) gene, complete cds.   [Influenza A virus (A/spot-billed duck/ Shanghai/22F/2007(H9)) | 727936.3]