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Adjusted hazard ratios (95% confidence interval) for BNT162b2 vaccine effectiveness against PCR-confirmed COVID-19 infection for (A) first dose weeks 3–6, (B) second dose weeks 2–5 and (C) weeks 22–25. All cases were vaccinated between 7 December 2020 and 30 September 2021. Estimates shown are relative to the same characteristic unvaccinated.
