title: [Attenuated influenza vaccine and prospects for its perfection].
mesh_terms: D000328:Adult; D002675:Child, Preschool; D006801:Humans; D007110:Immunity, Active; D007223:Infant; D007252:Influenza Vaccines; D007251:Influenza, Human / Q000517:prevention & control*; D014611:Vaccination
chemical_list: D007252:Influenza Vaccines
vernacular_title: Der Influenza-Lebendimpfstoff und die Perspektiven seiner Vervollkommnung.