Smallpox and bioterrorism.
Drazen
Jeffrey M
JM
D023482:Bioterrorism; D006801:Humans; D012899:Smallpox / Q000517:prevention & control* / Q000635:transmission; D012900:Smallpox Vaccine / Q000008:administration & dosage / Q000009:adverse effects / Q000276:immunology; D014481:United States; D014611:Vaccination; D012901:Variola virus / Q000648:ultrastructure
D012900:Smallpox Vaccine