In a study population of nearly 3.25 million adults receiving COVID boosters from November 2021 through February 2022, the 20-week risk per 1,000 for contracting COVID was 164.2 for the Pfizer-BioNTech vaccine and 159.9 for the Moderna vaccine.
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In a study population of nearly 3.25 million adults receiving COVID boosters from November 2021 through February 2022, the 20-week risk per 1,000 for contracting COVID was 164.2 for the Pfizer-BioNTech vaccine and 159.9 for the Moderna vaccine.