title: [Once again on influenza].
mesh_terms: D004196:Disease Outbreaks / Q000453:epidemiology*; D000939:Epitopes; D006801:Humans; D009980:Influenza A virus / Q000276:immunology; D007251:Influenza, Human / Q000453:epidemiology* / Q000401:mortality; D009975:Orthomyxoviridae / Q000276:immunology; D014586:USSR
chemical_list: D000939:Epitopes
vernacular_title: Snova o grippe