title: Smallpox vaccination begins in U.S.--precautions needed.
abstract: People with HIV and certain other medical conditions must avoid smallpox vaccination, and also vaccinia infections from others who have been vaccinated recently.
authors.forename: John S
authors.initials: JS
authors.lastname: James
mesh_terms: D000075202:Contraindications; D006801:Humans; D012899:Smallpox / Q000517:prevention & control*; D012900:Smallpox Vaccine / Q000008:administration & dosage* / Q000009:adverse effects; D014481:United States
chemical_list: D012900:Smallpox Vaccine