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Adjusted hazard ratios (aHRs) comparing BNT162b2 and ChAdOx1 recipients with unvaccinated people in each comparison period. Estimates for BNT162b2 in 40-64 age group are omitted for all outcomes except positive SARS-CoV-2 test owing to low event counts. Slopes of lines are ratios of hazard ratios across comparison periods, fitted using meta-regression. Y axis is on log scale. *Not clinically vulnerable. †Dates (all in 2021) represent earliest and latest dates of follow-up within subgroup
