Influenza. Antigenic analysis of recent influenza virus isolates.
D000956:Antigens, Viral / Q000032:analysis*; D004196:Disease Outbreaks; D006801:Humans; D009980:Influenza A virus / Q000276:immunology*; D009981:Influenza B virus / Q000276:immunology*; D007252:Influenza Vaccines / Q000276:immunology; D007251:Influenza, Human / Q000453:epidemiology / Q000276:immunology* / Q000517:prevention & control
D000956:Antigens, Viral; D007252:Influenza Vaccines