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First received: April 13, 2023

Clinical Trial: A Study of mRNA-1283.222 Injection Compared With mRNA-1273.222 Injection in Participants ?12 Years of Age to Prevent COVID-19

Study Status: ACTIVE_NOT_RECRUITING

Recruit Status: ACTIVE_NOT_RECRUITING

Condition: COVID-19

Study Type: INTERVENTIONAL


Official Title: A Randomized, Observer-Blind, Active-Controlled Phase 3 Study to Investigate the Safety, Immunogenicity, and Relative Vaccine Efficacy of mRNA-1283.222 Administered as a Booster Dose Compared With mRN

Brief Summary: The purpose of this study is to evaluate the safety, reactogenicity, and relative vaccine efficacy (rVE) of the mRNA-1283.222vaccine as well as its immunogenicity in comparison to the mRNA-1273.222vaccine.

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