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Discussion

The strategy that achieved smallpox eradication was

  • A.elimination of the animal reservoir
  • B.surveillance and containment backed by vaccination
  • C.mass vaccination alone, with no case finding
  • D.treatment of cases with antiviral drugs

Answer: B

Vigorous surveillance and containment, supported by vaccination, is what finished the task. Finding cases and vaccinating around them proved more effective than vaccinating populations indiscriminately, and smallpox had no animal reservoir to remove.

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