title: Antigenic drift in type A influenza virus: sequence differences in the hemagglutinin of Hong Kong (H3N2) variants selected with monoclonal hybridoma antibodies.
mesh_terms: D000595:Amino Acid Sequence; D000596:Amino Acids / Q000032:analysis; D000914:Antibodies, Viral; D000937:Antigen-Antibody Reactions; D000939:Epitopes; D006389:Hemagglutinins, Viral / Q000032:analysis / Q000276:immunology*; D053122:Influenza A Virus, H3N2 Subtype; D009980:Influenza A virus / Q000276:immunology*
chemical_list: D000596:Amino Acids; D000914:Antibodies, Viral; D000939:Epitopes; D006389:Hemagglutinins, Viral