title: Prevention of influenza-related morbidity and mortality.
mesh_terms: D000328:Adult; D002648:Child; D004196:Disease Outbreaks / Q000517:prevention & control; D006801:Humans; D007251:Influenza, Human / Q000401:mortality / Q000517:prevention & control*; D008875:Middle Aged; D012306:Risk; D014611:Vaccination