alexa Circulation of genotype 4 hepatitis E virus in Europe: first autochthonous hepatitis E infection in France.


Journal of Antivirals & Antiretrovirals

Author(s): Tess S, Lioure B, Fornecker L, Wendling MJ, StollKeller F,

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Abstract BACKGROUND: Human HEV infections reported in Europe without previous travel to endemic regions are linked to exposure to genotype 3 Hepatitis E virus (HEV).Genotype 3 is widely distributed through human cases and zoonotic reservoir. The geographical distribution of genotype 4 is limited to Asian countries. OBJECTIVES: The first human case of autochthonous genotype 4 hepatitis E infection was reported in France. STUDY DESIGN: The HEV infection was described in an immunosuppressed patient, presenting an acute myeloblastic leukemia. Investigation of the case was performed on detection of HEV markers in the patient and in the environment. RESULTS: Hepatitis E infection was diagnosed on the basis of HEV RNA viremia, and detection of anti-HEV IgM. The prognostic of leukemia was favorable and HEV was cleared without relapsing. HEV isolate was classified into genotype 4. CONCLUSIONS: The recent characterization of genotype 4 HEV through swine surveillance in Europe and the description of the first human case in France open interesting questions about the circulation of this genotype: health risks in human population, transmission patterns, and zoonotic reservoir. Copyright © 2012 Elsevier B.V. All rights reserved. This article was published in J Clin Virol and referenced in Journal of Antivirals & Antiretrovirals

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