title: [Epidemiology of influenza and characteristic etiological factors in the 1990/91 season].
authors.affiliation: Zakład Epidemiologii Państwowego Zakładu Higieny, Warszawie.
authors.forename: H
authors.initials: H
authors.lastname: Rudnicka
authors.forename: L
authors.initials: L
authors.lastname: Brydak
authors.forename: J
authors.initials: J
authors.lastname: Siennicka
mesh_terms: D000956:Antigens, Viral / Q000032:analysis; D006801:Humans; D009980:Influenza A virus / Q000276:immunology; D009981:Influenza B virus / Q000276:immunology; D007251:Influenza, Human / Q000175:diagnosis / Q000453:epidemiology*; D011044:Poland / Q000453:epidemiology
chemical_list: D000956:Antigens, Viral
vernacular_title: Epidemiologia grypy i charakterystyka czynnika etiologicznego w sezonie 1990/91.