In high-risk adults, the Moderna vaccine had 94% efficacy against COVID-19 ≥14 d after the 2nd dose.

Chagla, Zain · Ann Intern Med · 2021

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Abstract

Baden LR, El Sahly HM, Essink B, et al. <b>Efficacy and safety of the mRNA-1273 SARS-CoV-2 vaccine.</b> N Engl J Med. 2021;384:403-16. 33378609.

Medical subject headings