title: Inactivated influenza vaccines: pre-vaccination haemagglutinin-antibody titres influence the vaccine response but not necessarily the vaccine effectiveness.
authors.forename: Pierre-Olivier
authors.initials: PO
authors.lastname: Lang
mesh_terms: D000276:Adjuvants, Immunologic / Q000627:therapeutic use*; D000375:Aging / Q000276:immunology*; D006801:Humans; D007252:Influenza Vaccines / Q000627:therapeutic use*; D007251:Influenza, Human / Q000517:prevention & control*
chemical_list: D000276:Adjuvants, Immunologic; D007252:Influenza Vaccines