title: Antigenic variation in influenza virus. Biology and chemistry.
mesh_terms: D000595:Amino Acid Sequence; D000818:Animals; D000956:Antigens, Viral / Q000032:analysis*; D004590:Electrophoresis, Paper; D014644:Genetic Variation; D006389:Hemagglutinins, Viral; D006801:Humans; D008055:Lipids; D008854:Microscopy, Electron; D008956:Models, Chemical; D009154:Mutation; D009439:Neuraminidase; D009698:Nucleoproteins; D009975:Orthomyxoviridae / Q000145:classification / Q000201:enzymology / Q000254:growth & development / Q000276:immunology*; D012367:RNA, Viral; D011995:Recombination, Genetic; D012703:Serotyping; D014764:Viral Proteins / Q000032:analysis
chemical_list: D000956:Antigens, Viral; D006389:Hemagglutinins, Viral; D008055:Lipids; D009698:Nucleoproteins; D012367:RNA, Viral; D014764:Viral Proteins; D009439:Neuraminidase