Overall, the vaccine was 52% effective after the first dose and 95% effective after the second dose.
Source: https://www.livescience.com/pfizer-covid-19-vaccine-fda.html
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Overall, the vaccine was 52% effective after the first dose and 95% effective after the second dose.
Source: https://www.livescience.com/pfizer-covid-19-vaccine-fda.html