title: In memoriam, Bernard Duval (1949-2008).
authors.affiliation: Institut national de santé publique du Québec, Quebec, CA.
authors.forename: Gaston
authors.initials: G
authors.lastname: De Serres
authors.forename: Joanne M
authors.initials: JM
authors.lastname: Langley
mesh_terms: D002170:Canada; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D017589:Immunization Programs; D014612:Vaccines / Q000266:history
chemical_list: D014612:Vaccines