title: Preparations to fight smallpox might endanger HIV-positive individuals.
mesh_terms: D015658:HIV Infections / Q000150:complications* / Q000276:immunology; D006801:Humans; D017410:Practice Guidelines as Topic; D012899:Smallpox / Q000150:complications / Q000276:immunology / Q000517:prevention & control*; D012900:Smallpox Vaccine / Q000008:administration & dosage*
chemical_list: D012900:Smallpox Vaccine