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ICTV Virus Taxonomy Profile: Hepeviridae.

Michael A Purdy1, Tim J Harrison2, S Jameel3

  • 1Division of Viral Hepatitis, Centers for Disease Control and Prevention, MS-A33, 1600 Clifton Rd NE, Atlanta, GA 30329, USA.

The Journal of General Virology
|October 13, 2017
PubMed
Summary

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The Hepeviridae family encompasses viruses like hepatitis E virus, causing liver disease in humans and animals. This report summarizes their official taxonomy, classifying them into fish and mammal/bird infecting genera.

Area of Science:

  • Virology
  • Taxonomy
  • Public Health

Background:

  • The Hepeviridae family comprises small, non-enveloped, positive-sense RNA viruses transmitted enterically.
  • This family includes genera infecting fish (Piscihepevirus) and mammals/birds (Orthohepevirus).
  • Hepatitis E virus (HEV), within Orthohepevirus, causes acute hepatitis in humans and animals, potentially becoming chronic in immunocompromised individuals.

Purpose of the Study:

  • To present the official taxonomic classification of the Hepeviridae family.
  • To detail the genera and species within Hepeviridae based on the International Committee on Taxonomy of Viruses (ICTV) report.

Main Methods:

  • Review and summarization of the official ICTV report on Hepeviridae taxonomy.
  • Analysis of viral characteristics, host range, and transmission routes for classification.
Keywords:
HepeviridaeICTVavian hepatitis E virushepatitis E viruspiscihepevirusswine hepatitis E virustaxonomy

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Main Results:

  • The Hepeviridae family is formally classified into two genera: Piscihepevirus and Orthohepevirus.
  • Orthohepevirus includes significant human and animal pathogens like the hepatitis E virus.
  • Extrahepatic manifestations and avian hepatitis E virus-induced syndromes are noted.

Conclusions:

  • The established taxonomy provides a framework for understanding Hepeviridae diversity and impact.
  • Accurate classification is crucial for research, diagnostics, and control of Hepeviridae infections.
  • This summary facilitates access to the official Hepeviridae taxonomy for the scientific community.