The big deal about smallpox. Smallpox vaccine program leaves many unanswered questions.
Jacobs
Liz
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D006282:Health Personnel; D006291:Health Policy; D006801:Humans; D032541:Mass Vaccination / Q000592:standards*; D012899:Smallpox / Q000517:prevention & control* / Q000635:transmission; D012900:Smallpox Vaccine / Q000592:standards*
D012900:Smallpox Vaccine