Effectiveness of BNT162b2 mRNA vaccine and ChAdOx1 adenovirus vector vaccine on mortality following COVID-19

  1. Jamie Lopez Bernal
  2. Nick Andrews
  3. Charlotte Gower
  4. Julia Stowe
  5. Elise Tessier
  6. Ruth Simmons
  7. Mary Ramsay
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Abstract

We estimated risk of death in vaccinated compared to unvaccinated COVID-19 cases. Cases vaccinated with 1 dose of BNT162b2 had 44% reduced risk of death, 55% with 1 dose of ChAdOx1, and 69% with 2 doses of BNT162b2. This is on top of the protection provided against becoming a case.

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