title: [Understanding the mechanism of the natural antigenic variations of the virus as a key problem in the prevention of influenza].
mesh_terms: D000956:Antigens, Viral; D006801:Humans; D007251:Influenza, Human / Q000276:immunology / Q000517:prevention & control*; D009975:Orthomyxoviridae / Q000276:immunology*
chemical_list: D000956:Antigens, Viral
vernacular_title: Cunoaşterea mecanismului variaţiei antigenice naturale a virusului, problemă cheie a profilaxiei gripei