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Risk of chikungunya virus (CHIKV) infection and asymptomatic presentation in the published literature. Scatterplot elements correspond to data in Supplementary Table 1 and references in Supplementary Materials. The radius of each study’s data point is scaled to the sample size and shaded to the size of the CHIKV-infected population. A, Data summarized with a Gaussian model. B, Data summarized with a LOESS model. Abbreviation: CI, confidence interval.
