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. 2022 Feb 16;40(8):1180–1189. doi: 10.1016/j.vaccine.2021.11.061

Fig. 3.

Fig. 3

Adjusted hazard ratios (95% confidence interval) for BNT162b2 effectiveness against PCR-confirmed COVID-19 infection in health care workers over time, for (A) first and (B) second dose, relative to unvaccinated. Dashed lines at 1.0 and 0.5.