title: [Is it necessary to vaccinate against variola?].
authors.forename: A M
authors.initials: AM
authors.lastname: Gillet
mesh_terms: D006801:Humans; D017589:Immunization Programs; D011634:Public Health; D012899:Smallpox / Q000517:prevention & control*; D012900:Smallpox Vaccine / Q000627:therapeutic use*
chemical_list: D012900:Smallpox Vaccine