Fig. 2: Summary of VE estimates for 66 studies included in systematic review and published between January 2021 and July 2022. | npj Vaccines

Fig. 2: Summary of VE estimates for 66 studies included in systematic review and published between January 2021 and July 2022.

From: The need for a clinical case definition in test-negative design studies estimating vaccine effectiveness

Fig. 2

a shows VE against medically-attended illness, while (b) shows VE against severe disease. Points indicate the VE point estimate from each study without confidence intervals. Black points with lines show the pooled estimate from the random-effect meta-analysis with 95% confidence intervals. Shaded area is the violin plot, which is the smoothed density of the VE point estimates.

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