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Pig Journal Volume: 54
Publication date: November 2004

Proceedings Section

HEPATITIS E: AN EMERGING THREAT?
M. Banks

Abstract
Hepatitis E virus (HEV) has a global distribution in humans and pigs and is present in a range of other mammals. The virus causes acute hepatitis in humans but is apathogenic in pigs. Most cases in developed regions are acquired by travel to one of the many developing regions of the world where the disease is endemic and faecal-oral transmission is common. Data from several developed countries suggests a high degree of homology between porcine and human strains of HEV. Recent evidence related to hepatitis strains isolated from indigenously-acquired cases in some developed countries indicates that pig meat is a potential source of HEV and that consumption of raw pigs' liver may be the main zoonotic transmission route between pigs and humans.

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