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Forest plot of vaccine efficacy/effectiveness (VE) against SARS-CoV-2 infection stratified by months since full vaccination. Mean VE values represent the mean vaccine protection expressed as percentage. Blue squares and their corresponding lines are the point estimates and 95% confidence intervals (95% CI). Maroon diamonds represent the pooled VE estimates for each month (width denotes 95% CI). Effectiveness estimates include studies that estimated efficacy
