title: Critical considerations concerning the present state of knowledge on immunity to influenza.
mesh_terms: D000914:Antibodies, Viral / Q000032:analysis; D000917:Antibody Formation; D006801:Humans; D007111:Immunity, Cellular; D009980:Influenza A virus / Q000276:immunology; D007251:Influenza, Human / Q000276:immunology* / Q000517:prevention & control; D009975:Orthomyxoviridae / Q000276:immunology
chemical_list: D000914:Antibodies, Viral