Journal
CURRENT OPINION IN MICROBIOLOGY
Volume 59, Issue -, Pages 8-15Publisher
CURRENT BIOLOGY LTD
DOI: 10.1016/j.mib.2020.07.004
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Funding
- National Institutes of Health [AI050611, AI141677]
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Hepatitis E virus (HEV) is an important but understudied pathogen that can cause acute viral hepatitis and, in some cases, chronic infection with other manifestations. Various strains of HEV from different animal species have been identified, with the ability to cross species barriers and infect humans through consumption of animal meat or direct contact. The discovery of animal HEV variants provides opportunities for developing useful animal models for research on HEV.
Hepatitis E virus (HEV), the causative agent of hepatitis E, is an understudied but important pathogen. HEV typically causes self-limiting acute viral hepatitis, however chronic infection with neurological and other extrahepatic manifestations has increasingly become a significant clinical problem. The discovery of swine HEV from pigs and demonstration of its zoonotic potential led to the genetic identification of very diverse HEV strains from more than a dozen other animal species. HEV strains from pig, rabbit, deer, camel, and rat have been shown to cross species barriers and infect humans. Zoonotic HEV infections through consumption of raw or undercooked animal meat or direct contact with infected animals have been reported. The discovery of a large number of animal HEV variants does provide an opportunity to develop useful animal models for HEV. In this mini-review, we discuss recent advances in HEV host range, and cross-species and zoonotic transmission.
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