Fig. 2From: High vaccine effectiveness against severe COVID-19 in the elderly in Finland before and after the emergence of OmicronComirnaty vaccine effectiveness against primary outcomes by quarter, dose and days since last vaccination. Data points: point estimates; lines: 95% confidence interval estimates. A filled symbol indicates that the estimate is statistically significantly different from 0%, while an empty symbol indicates that the estimate is not statistically significantly different from 0%Back to article page