US panel advises caution over smallpox vaccination.
Charatan
Fred
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D002487:Centers for Disease Control and Prevention, U.S.; D006801:Humans; D012307:Risk Factors; D012899:Smallpox / Q000517:prevention & control*; D012900:Smallpox Vaccine / Q000009:adverse effects*; D014481:United States
D012900:Smallpox Vaccine