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Hepatitis E Virus in Surface Water, Sediments, and Pork Products Marketed in Southern Brazil.
Food and Environmental Virology 2016 September
Hepatitis E virus (HEV) is an emerging causative agent of food and waterborne hepatitis in human beings. HEV circulates among human populations and swine herds, and may be found in water contaminated by swine feces, as well as in pork. In the present study, 68 sediment samples and 250 water samples collected from the Sinos River tributaries, as well as 50 samples of pork products (pâté and blood sausage) marketed in the Sinos River watershed region, Brazil, were tested for the presence of HEV genome. Reverse-transcriptase polymerase chain reaction followed by nucleotide sequencing was used for detection and characterization of HEV genomes. Overall, 36 % of food samples tested positive for HEV (genotype 3). No sediment or water samples were positive. These results suggest that contaminated pork products may be a source of HEV infection within this region and indicate a need for better monitoring of food safety and swine herds.
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