Hepatitis E virus seroprevalence and associated risk factors in high-risk groups: A cross-sectional study from Turkey
2021
Background: The renal transplant recipients (RT), allogeneic hematopoietic stem cell transplant recipients (allo-HSCT), patients with acute hepatitis (AH), and chronic hepatitis C patients (CHC) are at risk of hepatitis E virus (HEV) infection. However, seroepidemiology, risk factors to HEV exposure, and the prevalence of HEV viremia has not yet been investigated among these patients in Turkey. MaterialsM p:0.022) and eating undercooked meat (aOR:3.11, 95% CI, 1.08-8.92; p:0.034) were independent risk factors to anti-HEV seropositivity in all patients. Similarly, multiple logistic regression analysis demonstrated that age (aOR:1.03, 95% CI, 0.99-1.07, p:0.058) and eating undercooked meat (aOR:5.77, 95% CI, 1.49-22.25, p:0.011) were independent risk factors for anti-HEV IgG positivity in the non-immunosuppressive subgroup consisting of AH and CHC patients. Conclusion: The HEV seroprevalence rate was high (9.9%), despite low viremia rate (0.6%) in high-risk patients. The emergence of HEV3 might indicate a serious problem for these patients. Future investigations are needed to elucidate foodborne transmission routes of HEV in Turkey.
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