Preventing the return of smallpox.
Breman
Joel G
JG
Fogarty International Center, Bethesda, Md 20892-6705, USA. jbreman@nih.gov
Arita
Isao
I
Fenner
Frank
F
D023482:Bioterrorism; D004196:Disease Outbreaks / Q000191:economics / Q000517:prevention & control*; D006291:Health Policy; D006801:Humans; D007391:International Cooperation; D012306:Risk; D012899:Smallpox / Q000453:epidemiology / Q000517:prevention & control*; D012900:Smallpox Vaccine / Q000191:economics; D014481:United States; D012901:Variola virus
D012900:Smallpox Vaccine