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Risk factors for hepatitis E virus (HEV) infection or disease in 13 countries, 1990–2017. Risk factors were divided a priori into those hypothesized to decrease (blue) or increase (red) the likelihood of HEV infection or disease based on existing literature and the reference group for each estimator (Supplemental Table 1). Excludes 9 risk factor estimates not reported with corresponding 95% confidence intervals (CIs).
