title: [Influenza: 2015 epidemic is responsible for mortality increase].
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D058872:Epidemics; D016330:Frail Elderly / Q000706:statistics & numerical data; D006801:Humans; D007251:Influenza, Human / Q000453:epidemiology*; D009026:Mortality; D013557:Switzerland / Q000453:epidemiology