title: Smallpox: clinical and epidemiologic features.
authors.affiliation: Johns Hopkins Center for Civilian Biodefense Studies, Baltimore, Maryland 21202, USA. dahzero@aol.com
authors.forename: D A
authors.initials: DA
authors.lastname: Henderson
mesh_terms: D001694:Biological Warfare; D006801:Humans; D012899:Smallpox / Q000453:epidemiology / Q000503:physiopathology / Q000517:prevention & control; D012900:Smallpox Vaccine; D014611:Vaccination
chemical_list: D012900:Smallpox Vaccine