Hepatitis E virus: Difference between revisions

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== Clinical Manifestations ==
== Clinical Manifestations ==
* Incubation period of about 4 to 6 weeks
* Incubation period of about [[Usual incubation period::4 to 6 weeks]]
* Flu-like prodrome lasting 1 to 10 days with a low-grade fever, followed by hepatitis
* Flu-like prodrome lasting 1 to 10 days with a low-grade [[Causes::fever]], followed by [[Causes::hepatitis]]
* May develop pale stools, dark urine, and jaundice
* May develop [[Causes::pale stools]], [[Causes::dark urine]], and [[Causes::jaundice]]
* Hepatomegaly and sometimes splenomegaly
* [[Causes::Hepatomegaly]] and sometimes [[splenomegaly]]
** Cholestasis more common in pregnant women
** [[Cholestasis]] more common in pregnant women
* Liver enzyme abnormalities, over 1000 initially, and hyperbilirubinemia
* Liver enzyme abnormalities, over 1000 initially, and [[Causes::hyperbilirubinemia]]
* Can progress to fulminant hepatitis
* Can progress to fulminant hepatitis
* Particularly high mortality rate in pregnant women (25% in third trimester)
* Particularly high mortality rate in pregnant women (25% in third trimester)

Revision as of 13:41, 5 August 2020

Background

Microbiology

  • Member of the Hepeviridae family of RNA viruses
  • Gour genotypes, g1 through g4

Epidemiology

  • g1 and g2 are more common in developing countries
    • Cause epidemic hepatitis
    • Transmitted fecal-orally
    • Associated with contaminated water and poor sanitation
  • g3 and g4 more common in the North America and Europe
    • Zoonoses associated with pigs; humans are incidental hosts
    • Most severe infections in pregnant women

Clinical Manifestations