MATRIX PROTEIN M1 (58-66) (INFLUENZA A VIRUS);FLUM1 A2 (58-66);H-GLY-ILE-LEU-GLY-PHE-VAL-PHE-THR-LEU-OH;H2N-GILGFVFTL-OH;GLY-ILE-LEU-GLY-PHE-VAL-PHE-THR-LEU;INFLUENZA MATRIX PEPTIDE;INFLUENZA MATRIX PROTEIN M1 (58-66);INFLUENZA VIRUS MATRIX PROTEIN (58-66)