Confronting emerging infections: lessons from the smallpox eradication campaign.
Foege
W H
WH
Emory University, Atlanta, Georgia, USA.
D003140:Communicable Disease Control; D014943:Global Health; D006801:Humans; D017589:Immunization Programs; D012306:Risk; D012899:Smallpox / Q000517:prevention & control; D014611:Vaccination