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Seroprevalence of hepatitis E virus in chronic hepatitis C in Brazil

Author:
Bricks, Guilherme  Senise, Jorge Figueiredo  Pott Junior, Henrique  Grandi, Giuliano  Passarini, Amanda  Caldeira, Debora Bellini  Carnauba Junior, Dimas  Bonilha de Moraes, Hamilton Antonio  Hernandes Granato, Celso Franscisco  Castelo, Adauto  


Journal:
BRAZILIAN JOURNAL OF INFECTIOUS DISEASES


Issue Date:
2018


Abstract(summary):

Background and aims: Hepatitis E virus infection in patients with underlying chronic liver disease is associated with liver decompensation and increased lethality. The seroprevalence of hepatitis E virus in patients with chronic hepatitis C in Brazil is unknown. This study aims to estimate the seroprevalence of hepatitis E virus in patients with chronic hepatitis C and to describe associated risk factors. Methods: A total of 618 patients chronically infected with hepatitis C virus from three reference centers of Sao Paulo, Brazil were included. Presence of anti-HEV IgG was assessed by enzyme-linked immunosorbent assay (WANTAI HEV-IgG ELISA). Results: Out of the 618 patients tested, 10.2% turned out positive for anti-HEV IgG (95% CI 8.0-12.8%). Higher seroprevalence was found independently associated with age over 60 years (OR=3D 2.04; p =3D0.02) and previous contact with pigs (OR =3D1.99; p =3D 0.03). Conclusions: Patients with chronic hepatitis C are under risk of hepatitis E virus superinfection in Sao Paulo. Contact with pigs is a risk factor for the infection, suggesting a possible zoonosis with oral transmission. (C) 2018 Sociedade Brasileira de Infectologia. Published by Elsevier Editora Ltda.


Page:
85---91


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