title: [New Influenza A H1N1v: usefulness of immunization].
authors.forename: Odile
authors.initials: O
authors.lastname: Launay
mesh_terms: D000367:Age Factors; D005602:France / Q000453:epidemiology; D006801:Humans; D053118:Influenza A Virus, H1N1 Subtype / Q000276:immunology* / Q000472:pathogenicity; D007252:Influenza Vaccines / Q000008:administration & dosage* / Q000009:adverse effects; D007251:Influenza, Human / Q000453:epidemiology / Q000517:prevention & control*; D015164:Vaccines, Inactivated / Q000008:administration & dosage / Q000009:adverse effects; D014774:Virulence
chemical_list: D007252:Influenza Vaccines; D015164:Vaccines, Inactivated