July 6, 2021, Vol 326, No. 1, Pages 11-96
Effect of 2 Inactivated SARS-CoV-2 Vaccines on Symptomatic COVID-19 Infection in AdultsA Randomized Clinical Trial
Nawal Al Kaabi, MBBS; Yuntao Zhang, PhD; Shengli Xia, BSc; et al.
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JAMA. 2021;326(1):35-45. doi:10.1001/jama.2021.8565
This interim analysis of an ongoing randomized trial evaluates the efficacy of 2 inactivated coronavirus vaccines for preventing symptomatic COVID-19 in healthy adults and adverse events after immunization.