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. 2023 Feb 10;11(5):439–452. doi: 10.1016/S2213-2600(23)00015-2

Figure 1.

Figure 1

Vaccine effectiveness of primary series

(A) Vaccine effectiveness of primary series against SARS-CoV-2 infections, by variant (κ=48). (B) Vaccine effectiveness of primary series against COVID-19-related hospitalisations (κ=25) and deaths (κ=10). The main data points with error bars represent meta-analytical estimates of vaccine effectiveness with corresponding 95% CIs. The lighter points scattered around each meta-analytical estimate represent estimates of vaccine effectiveness as extracted from individual studies. The horizontal solid grey lines represent the 90% point estimate and dotted lines represent 70% CI protection levels, as stipulated by WHO.