In the Original Investigation titled “Frequency of Adverse Events in the Placebo Arms of COVID-19 Vaccine Trials: A Systematic Review and Meta-Analysis,”1 published January 18, 2022, the following 2 boxes in Figure 1 were incorrectly transposed: 87 articles were screened, and 27 articles were sought for retrieval. This article has been corrected.1
Error in Figure 1. JAMA Netw Open. 2022;5(2):e221277. doi:10.1001/jamanetworkopen.2022.1277
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