Smallpox and public health: a reality check.
D018070:Biological Specimen Banks; D023482:Bioterrorism; D004196:Disease Outbreaks / Q000517:prevention & control; D006801:Humans; D017589:Immunization Programs; D011634:Public Health; D012899:Smallpox / Q000453:epidemiology / Q000517:prevention & control* / Q000635:transmission; D012900:Smallpox Vaccine / Q000009:adverse effects; D014481:United States / Q000453:epidemiology; D012901:Variola virus
D012900:Smallpox Vaccine