title: [Antigenic heterogeneity of human influenza virus type A populations and its role in the epidemic process].
mesh_terms: D000956:Antigens, Viral / Q000276:immunology*; D004196:Disease Outbreaks / Q000453:epidemiology*; D000939:Epitopes / Q000276:immunology*; D006801:Humans; D009980:Influenza A virus / Q000276:immunology*; D007251:Influenza, Human / Q000453:epidemiology*
chemical_list: D000956:Antigens, Viral; D000939:Epitopes
vernacular_title: Antigennaia geterogennost' populiatsii virusov grippa A cheloveka i ee rol' v épidemicheskom protsesse.