title: Smallpox: clinical and epidemiologic features.
authors.affiliation: Johns Hopkins University, Baltimore, MD, USA. dahzero@aol.com
authors.forename: D A
authors.initials: DA
authors.lastname: Henderson
mesh_terms: D023482:Bioterrorism; D004196:Disease Outbreaks; D006801:Humans; D007114:Immunization; D012899:Smallpox / Q000175:diagnosis / Q000453:epidemiology / Q000517:prevention & control; D012900:Smallpox Vaccine / Q000009:adverse effects / Q000600:supply & distribution; D015022:Yugoslavia / Q000453:epidemiology
chemical_list: D012900:Smallpox Vaccine