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Disease: West Nile Virus

Last Updated: July 16, 2008 Related resource areas: Horses


Agent

Virus

Vector

Birds

Route

Mosquitoes

Dead End Host

Horses, humans

Systems Affected

Spinal cord, brain

Symptoms

  • Fever and depression
  • Diarrhea
  • Overall drowsy appearance and no desire to move
  • Muzzle twitching
  • Self-mutilation, hyperexcitability, irritability, and a refusal of food and water
  • Central nervous system signs of incoordination, head pressing, circling, paralysis, convulsions, and coma
  • Death

Treatment

Intravenous fluids and anti-inflammatory drugs to decrease brain swelling

Prevention

Vaccination, removal of mosquito breeding areas, keeping horses indoors during peak mosquito activity periods


For more information, see West Nile Virus in Horses.


More information

diseases, glossary

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