title: Immunization against influenza with observations during an epidemic of influenza A one year after vaccination.
authors.forename: J E
authors.initials: JE
authors.lastname: SALK
authors.forename: H E
authors.initials: HE
authors.lastname: PEARSON
mesh_terms: D058872:Epidemics; D006801:Humans; D007114:Immunization; D007251:Influenza, Human / Q000517:prevention & control*; D014611:Vaccination