BMC Veterinary Research
BMC Veterinary Research
5 years ago

Seroprevalence of anti-hepatitis E virus antibodies in domestic pigs in Mexico

José Iván Sánchez-Betancourt, Rosa Elena Sarmiento-Silva, María E. Trujillo, Arely Vergara-Castañeda, Mayra Cruz-Rivera, Montserrat Elemi García-Hernández, Oscar Rico-Chávez
Hepatitis E virus (HEV) infection is one of the most common causes of acute liver diseases in humans worldwide. In developing countries, HEV is commonly associated with waterborne outbreaks. Conversely, in industrialized countries, HEV infection is often associated with travel to endemic regions or ingestion of contaminated animal products. Limited information on both, human and animal HEV infection in Mexico is available. As a consequence, the distribution of the virus in the country is largely unknown. Here, we assessed the seroprevalence of HEV among swine in different geographical regions in Mexico. Seroprevalence of anti-HEV antibodies in swine herds in Mexico was evaluated in a representative sample including 945 pig serum specimens from different regions of the country using a commercial enzyme-linked immunosorbent assay (ELISA). The overall prevalence of anti-HEV antibodies in swine was 59.4%. The northern region of Mexico exhibited the highest seroprevalence in the country (86.6%), while the central and southern regions in Mexico showed lower seroprevalence, 42.7% and 51.5%, respectively. In Mexico, HEV seroprevalence in swine is high. Importantly, northern Mexico showed the highest seroprevalence in the country. Thus, further studies are required to identify the risk factors contributing to HEV transmission among pigs in the country. Assessment of HEV human infection in the context of viral transmission in swine is required to better understand the epidemiology of hepatitis E in Mexico.

Publisher URL: https://bmcvetres.biomedcentral.com/articles/10.1186/s12917-017-1208-z

DOI: 10.1186/s12917-017-1208-z

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