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Equine arteritis virus: an overview.

E D Chirnside1

  • 1Department of Infectious Diseases, Animal Health Trust, Suffolk.

The British Veterinary Journal
|May 1, 1992
PubMed
Summary

Equine viral arteritis (EAV) is a respiratory disease in horses caused by an RNA virus. Carrier stallions can spread EAV, impacting equine health, with no current UK vaccines available.

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Area of Science:

  • Veterinary Virology
  • Equine Infectious Diseases

Background:

  • Equine viral arteritis (EAV) is a significant respiratory disease affecting horses.
  • The virus is a small, single-stranded RNA virus, sharing characteristics with coronaviruses and toroviruses.
  • Clinical presentations range widely, including abortion in pregnant mares.

Purpose of the Study:

  • To summarize the characteristics of equine viral arteritis virus (EAV).
  • To highlight the role of carrier stallions in EAV dissemination.
  • To discuss the current diagnostic landscape and vaccine availability in the UK.

Main Methods:

  • Review of existing literature on EAV.
  • Analysis of viral genome organization and replication strategies.
  • Examination of clinical signs and disease transmission dynamics.

Main Results:

  • EAV is caused by an RNA virus with similarities to coronaviruses.
  • Stallions can become asymptomatic carriers, crucial for virus perpetuation.
  • Diagnostic tests are available, but no vaccines are licensed in the UK.

Conclusions:

  • Equine viral arteritis poses a threat to equine populations, particularly due to carrier stallions.
  • The lack of licensed vaccines in the UK necessitates further research and preventative strategies.
  • Potential increases in EAV incidence may occur due to legislative changes.

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