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West Nile virus is an arbovirus (short form to describe the virus transmitted by Artra prune ³) that causes encephalitis (brain inflammation or encephalitis mass lica). Arboviruses are transmitted by an insect that feeds on blood, such as mosquitoes.

The virus was first identified precisely in the west of the river Nile in Uganda in 1937 and has since been found in Africa, Eastern Europe, Western Asia, Middle East and the United States (including Puerto Rico ). The strain of virus found in the United States is very similar to that found in the region n of the Mediterranean and the Middle Oriente.A Following n I leave an article published in 2003 by the Centers for Disease Control and Prevention for Disease Another interesting article ... can be read from the database about the West Nile Virus at Ohio State University ± What The owners of horses you should know about West Nile Virus ...

West Nile Virus and Horses
Última revision: July 2, 2003

P. Â Has caused the West Nile virus severe illness or death in horses?

A. Yes. Although the data suggest that most of the horses infected with West Nile virus recover, research suggests that West Nile virus has caused deaths in horses in the United States.

P. A Does How horses infected with West Nile virus?

R. In the same way that humans become infected - by the bite of infectious mosquitoes. The virus is located in the salivary glands of the mosquito. When mosquitoes bite or feed on the blood of a horse, while the virus is injected into your bloodstream. The virus then multiplies and may cause disease. Mosquitoes become infected when they bite Page infected animals and birds.

P. A Does How does the virus cause severe illness or death in horses?

A. Following transmission by an infected mosquito, West Nile virus multiplies in the horse's circulatory system, brain tissue enters and infects the brain. The virus interferes with normal functioning central nervous system and causes inflammation of the brain.

P. A How I can become infected with West Nile virus by caring for an infected horse?

A. West Nile virus is transmitted by infectious mosquitoes. There is no evidence of transmission from person to person or animal to human West Nile virus. It must follow standard precautions for infection control veterinary care for a horse suspected to have any viral infection.

P. Â Can a horse infected with West Nile virus infect horses in neighboring stalls?

A. No. There is no documented evidence that West Nile virus is transmitted between horses. However, if possible, horses should be isolated contraÃdo suspected West Nile virus to avoid being bitten by mosquitoes.

P. My horse is vaccinated against eastern equine encephalitis, western equine encephalitis and Venezuelan equine encephalitis, Â Will it protect these vaccines n my horse against West Nile virus?

A. No. Eastern equine encephalitis, western equine encephalitis and Venezuelan equine encephalitis belong to another family of viruses, and there is no cross-protection with West Nile virus.

P. A What I can vaccinate my horse against West Nile virus?

R. A vaccine for horses against West Nile virus was recently approved, but its effectiveness is unknown.

P. Â For how much time four can be infectious a horse infected with West Nile virus?

A. We do not know if an infected horse can be infectious (eg., Cause they bite mosquitoes become infected). However, there are published data suggesting that the virus can be detected in the blood during the few days ³ s.

P. Wha  l is the treatment for a horse infected with West Nile virus? Provision must be sacrificed A Do?

A. There is no race ³ n have to sacrifice a horse just because it has been infected with West Nile virus. The data suggest that most horses recover from the infection. Treatment should be supportive and consistent with veterinary Internships for animals infected with a viral agent.