FAQ: What Is West Nile + Ewt Horse Vaccines?

Is there a vaccine for horses for West Nile virus?

A. Yes, there are two intramuscular vaccines available for horses. The original vaccine and the most common is West Nile-INNOVATORTM vaccine, manufactured by Fort Dodge Animal Health, a division of Wyeth.

What type of vaccine is West Nile?

The vaccine currently commercially available is a formalin-inactivated cell culture-based vaccine requiring two doses and is produced by Fort Dodge Animal Health. The parental virus for this vaccine is a strain of WNV isolated from a horse 1999 WNV outbreak in the New York City area.

What are the 5 Aaep core vaccines recommended for horses?

The core vaccines: EEE/WEE, Rabies, West Nile Virus, Tetanus. A number of dreadful diseases are now very rare among horses— thanks to some of the simplest and cheapest preventive measures we have. Vaccination easily ranks as one one of the single most important things you do to protect your horse’s health.

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Is West Nile virus contagious in horses?

The virus is transmitted from avian reservoir hosts by mosquitoes (and infrequently by other bloodsucking insects) to horses, humans and a number of other mammals. Horses and humans are considered to be dead-end hosts for WNV; the virus is not directly contagious from horse to horse or horse to human.

When should horses be vaccinated for West Nile?

Because of the high mortality associated with West Nile virus, it is recommended that foals born in areas where there is a high risk of exposure to West Nile virus should receive an initial series of three (3) doses of vaccine against West Nile beginning at 3 months of age and at 4- to 6- week intervals.

Where did West Nile virus come from?

West Nile Virus (WNV) was first isolated in a woman in the West Nile district of Uganda in 1937. It was identified in birds (crows and columbiformes) in Nile delta region in 1953.

What is the incubation period of West Nile virus?

Clinical Signs & Symptoms The incubation period for WNV disease is typically 2 to 6 days but ranges from 2 to 14 days and can be several weeks in immunocompromised people. An estimated 70-80% of human WNV infections are subclinical or asymptomatic.

Who is most at risk for West Nile virus?

Severe illness can occur in people of any age; however, people over 60 years of age are at greater risk. People with certain medical conditions, such as cancer, diabetes, hypertension, kidney disease, and people who have received organ transplants, are also at greater risk.

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How is West Nile Virus treated in horses?

Is treatment available for West Nile Encephalitis in horses? There is no specific treatment for West Nile encephalitis in horses. Supportive veterinary care is recommended.

What is the most common disease in horses?

The most common diseases in horses

  • Flu.
  • Colic.
  • Tetanus.
  • Equine encephalitis.
  • Babesiosis (piroplasmosis)
  • Mumps.

Are vaccines bad for horses?

Since vaccines stimulate an immune response, it is not uncommon for some horses to experience mild and transient side effects shortly after vaccination. These side effects may include: Low-grade fever. Decreased appetite.

Is West Nile fatal in horses?

What are the clinical signs of West Nile virus? The effects of WNV in horses range from mild, “flu-like” signs to inflammation of the brain (West Nile Encephalitis), which can be fatal. Some infected horses show no clinical signs and recover without intervention.

How is West Nile virus diagnosed in horses?

Diagnostic tests Though several serological tests may be used to diagnose West Nile virus, the most reliable test for clinically ill horses is the IgM capture ELISA. The IgM capture ELISA can confirm recent exposure to the virus. The IgM antibody rises quickly after exposure but is relatively short lived.

What type of host animal are humans and horses considered when it comes to West Nile virus?

The virus is transmitted from avian reservoir hosts by mosquitoes (and infrequently by other bloodsucking insects) to horses, humans and a number of other mammals. West Nile virus is transmitted by many different mosquito species and this varies geographically.

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