title: [Update on the H1N1 virus].
authors.affiliation: L'Académie nationale de médecine.
authors.forename: Pierre
authors.initials: P
authors.lastname: Bégué
mesh_terms: D005602:France; D006801:Humans; D053118:Influenza A Virus, H1N1 Subtype; D007252:Influenza Vaccines; D007251:Influenza, Human / Q000453:epidemiology / Q000517:prevention & control*; D032541:Mass Vaccination; D058873:Pandemics; D012955:Societies, Medical
chemical_list: D007252:Influenza Vaccines