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. 2021 Jul;21(7):939–949. doi: 10.1016/S1473-3099(21)00224-3

Figure 4.

Figure 4

Infection risk reduction after the first dose in app users who have been vaccinated and subsequently tested, as a function of days since vac

The bar chart represents the risk reduction for infection of the vaccinated groups (those who logged at least one PCR or lateral flow test result after vaccination) compared with the unvaccinated group, by vaccine type and days since vaccination. The black lines show 95% CIs.