Deborah Theodore

Jul 13, 2023 | jamanetwork.com | Deborah Theodore |Angela R. Branche |Lily Zhang |Daniel S. Graciaa

Key PointsQuestion  What clinical and demographic factors are associated with rates of COVID-19, severe COVID-19, and SARS-CoV-2 infection? Findings  In this secondary analysis of 57 692 participants randomized to the placebo groups of 4 COVID-19 vaccine phase 3 efficacy trials, exposure risks, demographics (age and race), and evidence of previous infection had the strongest associations with study outcomes.