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

Lopez Bernal, J.; Andrews, N.; Gower, C.; Stowe, J.; Tessier, E.; Simmons, R.; Ramsay, M.

2021-05-18 epidemiology
10.1101/2021.05.14.21257218 medRxiv
Show 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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