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COVID-19 Vaccination: Guidelines, Guidance, and Impact of Immunization

  1. Would a pregnant woman currently living in either the United Kingdom or Italy be offered a booster (fourth dose) of a COVID-19 vaccine?
    Yes in both countries
    No in both countries
    Yes in Italy, but not in the United Kingdom
    Yes in the United Kingdom, but not in Italy
  2. By how much have COVID-19 vaccines been shown to reduce the risk of hospitalization due to the delta variant of SARS-CoV2?
    85% to 88%
    88% to 91%
    92% to 97%
    95% to 99%
  3. Vaccination coverage of ≥ 70% has been shown to reduce mortality from the alpha variant of COVID-19 by how much in the United States?