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Adjusted overall VE.
The study by Paixao et al.[14] (symptomatic infection) was the source of heterogeneity and was removed. (a) Overall VE at 14 to 20 days after the first dose; (b) Overall VE at 21 to 27 days after the first dose; (c) Overall VE at ≥28 days after the first dose of mRNA vaccine; (d) Overall VE at ≥14 days after two doses.
CI, confidence interval; mRNA, messenger RNA; VE, vaccine effectiveness.
