title: [Antigenic variability of Hong Kong influenza viruses circulating in Poland in 1969-1980].
mesh_terms: D000956:Antigens, Viral / Q000276:immunology*; D000939:Epitopes; D006801:Humans; D009980:Influenza A virus / Q000276:immunology* / Q000472:pathogenicity; D007251:Influenza, Human / Q000382:microbiology*; D011044:Poland
chemical_list: D000956:Antigens, Viral; D000939:Epitopes
vernacular_title: Zmienność antygenowa wirusów grypy Hong Kong krazacych w Polsce w latach 1969-1980.