Encephalitic alphaviruses

Michele A. Zacks, Slobodan Paessler

Research output: Contribution to journalArticle

112 Citations (Scopus)

Abstract

This review will cover zoonotic, encephalitic alphaviruses in the family Togaviridae. Encephalitic alphaviruses, i.e. Western- (WEEV), Eastern- (EEEV), Venezuelan equine encephalitis virus (VEEV) and, more rarely, Ross River virus, Chikungunya virus and Highlands J virus (HJV), are neuroinvasive and may cause neurological symptoms ranging from mild (e.g., febrile illness) to severe (e.g., encephalitis) in humans and equines. Among the naturally occurring alphaviruses, WEEV, EEEV and VEEV have widespread distributions in North, Central and South America. WEEV has found spanning the U.S. from the mid-West (Michigan and Illinois) to the West coast and extending to Canada with human cases reported in 21 states. EEEV is found along the Gulf (Texas to Florida) and Atlantic Coast (Georgia to New Hampshire), as well as in the mid-West (Wisconsin, Illinois and Michigan) and in Canada, with human cases reported in 19 states. In contrast, transmission of VEEV occurs predominantly in Central and South America. As with their geographical distribution, equine encephalitis viruses differ in their main mosquito vector species and their zoonotic potential.

Original languageEnglish (US)
Pages (from-to)281-286
Number of pages6
JournalVeterinary Microbiology
Volume140
Issue number3-4
DOIs
StatePublished - Jan 27 2010

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Venezuelan Equine Encephalitis Viruses
Venezuelan equine encephalitis virus
Alphavirus
Central America
South America
Zoonoses
encephalitis
Canada
Highlands J virus
Equine Encephalomyelitis
Ross River virus
Togaviridae
Encephalitis Viruses
Chikungunya virus
coasts
Encephalitis
North America
signs and symptoms (animals and humans)
fever
Culicidae

Keywords

  • Chikungunya virus
  • Eastern equine encephalitis virus
  • Encephalitic alphaviruses
  • Highlands J virus
  • Ross River virus
  • Togaviridae
  • Venezuelan equine encephalitis virus
  • Western equine encephalitis virus
  • Zoonoses

ASJC Scopus subject areas

  • Microbiology
  • veterinary(all)

Cite this

Encephalitic alphaviruses. / Zacks, Michele A.; Paessler, Slobodan.

In: Veterinary Microbiology, Vol. 140, No. 3-4, 27.01.2010, p. 281-286.

Research output: Contribution to journalArticle

Zacks, Michele A. ; Paessler, Slobodan. / Encephalitic alphaviruses. In: Veterinary Microbiology. 2010 ; Vol. 140, No. 3-4. pp. 281-286.
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