Dear Editor,We read with interest the paper recently published in the Journal of Medical Virology by Baptista‐González et al discussing the prevalence of anti‐HEV IgG antibodies in persons living in Mexico City including women with a high‐risk pregnancy and healthy blood donors (BDs). The Authors reported very low overall HEV seroprevalence (2.34%, 10/428). They found no seropositive blood donor (out of 110 tested) and only one pregnant women with reactivity to HEV out of 127 tested.Data on the seroprevalence of HEV infection among pregnant women in non‐classic endemic countries (ie, areas other than Asia or Africa) are scarce. Therefore, every new report discussing this issue is valuable.However, we think that the level of exposure to HEV found by Baptista‐González et al can be significantly underestimated.A few HEV seroprevalence studies used the Euroimmun assay. In a preliminary assessment of HEV IgG seroprevalence in Greater Poland region (central Europe, west‐central Poland) we found anti‐HEV antibodies in 2.4% (5/210) of age‐ and sex‐matched BDs and HIV patients with the use of the same version of the Euroimmun assay as Baptista‐González et al.Finally, we tested 306 individuals (153 healthy BDs and 153 HIV‐infected patients) aged 18‐55 for the presence of anti‐HEV IgG antibodies.
Journal of Medical Virology – Wiley
Published: Jan 1, 2018
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