title: [Letter: Smallpox vaccination].
mesh_terms: D000367:Age Factors; D002648:Child; D006801:Humans; D012899:Smallpox / Q000517:prevention & control*; D012900:Smallpox Vaccine / Q000008:administration & dosage; D014611:Vaccination
chemical_list: D012900:Smallpox Vaccine
vernacular_title: Pockenschutzimpfung