title: Viral characteristics of influenza.
mesh_terms: D000818:Animals; D000917:Antibody Formation / Q000276:immunology; D004279:DNA, Viral / Q000235:genetics; D004196:Disease Outbreaks / Q000706:statistics & numerical data; D040961:Genetic Drift; D006801:Humans; D007111:Immunity, Cellular / Q000276:immunology; D018928:Immunity, Mucosal / Q000276:immunology; D009980:Influenza A virus / Q000472:pathogenicity / Q000502:physiology / Q000648:ultrastructure; D009981:Influenza B virus / Q000472:pathogenicity / Q000502:physiology / Q000648:ultrastructure; D007251:Influenza, Human / Q000453:epidemiology / Q000276:immunology / Q000635:transmission / Q000662:veterinary / Q000821:virology*; D017720:Molecular Epidemiology; D020545:Respiratory Mucosa / Q000276:immunology; D037521:Virulence Factors; D014779:Virus Replication / Q000502:physiology
chemical_list: D004279:DNA, Viral; D037521:Virulence Factors