West Nile Virus (WNV)


Japanese Encephalitis Vaccine Might Offer Some WNV Protection

August 18, 2009

Vaccination against Japanese encephalitis might mitigate West Nile virus (WNV) infection in some horses, said a group of researchers from Japan's National Institute of Animal Health... Read More


West Nile Virus: 35 States Active, First Reported 2009 Horse Death in California

August 07, 2009

When West Nile virus (WNV) made its march from East Coast to West Coast starting in late 1999, California was one of the last states to be struck by the disease. In the past couple of years, California has one of the the highest rates... Read More


West Nile Virus-Positive Mosquito Pool in 2009 Confirmed in Maryland

August 06, 2009

The Maryland Department of Agriculture (MDA) announces the first state detection of a West Nile virus (WNV) mosquito pool in Maryland in 2009. State Department of Health and Mental Hygiene (DHMH) laboratory results confirmed the presence of WNV in... Read More


First 2009 Equine West Nile Virus Case Confirmed in Kentucky

August 05, 2009

Laboratory results received Tuesday (Aug. 4) from Murray State University's Breathitt Veterinary Center confirms the diagnosis of West Nile virus (WNV) having affected a yearling colt in Caldwell County, Kentucky. This is according to the... Read More


WNV Reality Check!

July 30, 2009

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Poll: West Nile Virus Vaccine Choices

July 11, 2009

Almost 480 readers of TheHorse.com responded to a poll asking, "Do you know which WNV vaccine your veterinarian uses on your horse(s)?"

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Mosquito Control Measures: Poll Results

July 02, 2009

About 980 readers of TheHorse.com responded to a poll asking, "What mosquito control measures do you utilize?"... Read More


West Nile Virus is Still a Threat, TheHorse.com Readers Say

June 28, 2009

More than 890 readers of TheHorse.com responded to a poll asking, "Do you believe West Nile is still a threat to your horse(s)?"

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Foal Immune Responses after WNV Vaccination, AAEP 2008

June 21, 2009

Vaccinating 5-month-old foals with a single dose of West Nile virus chimeric vaccine in the presence of maternal antibodies to West Nile virus does induce a cell-mediated response (in the foal). ... Read More


Poll: Majority of TheHorse.com Readers Vaccinate Against WNV

June 19, 2009

More than 1,270 readers of TheHorse.com responded to a poll asking, "Do you vaccinate for West Nile virus annually?"

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Readers Share Top Two Vaccination Choices

June 12, 2009

Approximately 1,270 readers of TheHorse.com responded to a poll asking, "Which two vaccinations do you feel are most important?"

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Building Immunity

May 01, 2009

The foal’s immune system is almost a blank slate at birth; researchers are figuring out how to best protect horses as they grow.

The process of building immunity against disease-causing pathogens for a horse begins with a... Read More


Washington State Vet Urges WNV Vaccination

April 22, 2009

Horse owners in Washington should take advantage of the vaccines available to prevent West Nile virus, particularly as the state led the... Read More


AAEP 2007 Convention Complete Coverage

February 12, 2009

A complete wrap-up of the 2007 American Association of Equine Practitioners Convention held in Orlando, Fla.... Read More


Fort Dodge Animal Health West Nile-Innovator DNA Vaccine

January 08, 2009

Fort Dodge Animal Health announces the launch of West Nile-Innovator DNA, a novel vaccine for horses to aid in the prevention of West Nile virus.

Unlike conventional vaccines, which rely on the foreign proteins derived from... Read More


Vaccination Yearly Planner

January 06, 2009

A look at equine vaccine options, the necessity of each, and how to plan for boosters throughout the year. ... Read More


Vaccination Yearly Planner

January 01, 2009

Immunizations are the cornerstone of disease prevention if given appropriately and in a timely manner.... Read More


West Nile Virus DNA Vaccine for Horses Introduced

December 05, 2008

West Nile-Innovator DNA, a vaccine for horses to aid in the prevention of viremia caused by the potentially deadly West Nile virus, was launched by Fort Dodge Animal Health, a division of Wyeth, Dec. 4. Developed in collaboration with... Read More


Disease Control Yearly Planner

November 26, 2008

Guard against diseases on your farm year-round by employing these seasonal tips

For a horse to perform to his utmost capacity, he must be healthy and sound throughout the year. The smallest details of farm management often... Read More


University of Florida Veterinarian Troubleshoots West Nile Virus

November 10, 2008

In 2001, University of Florida veterinarian Maureen Long, DVM, PhD, Dipl. ACVIM, became an authority on West Nile virus by accident. That year, Long and other UF Large Animal Medicine clinicians saw some of the first Florida horses breaking with... Read More


Eastern Equine Encephalomyelitis Cases Reported In Mississippi

October 26, 2008

This week the Mississippi State Department of Health reported three new cases of Eastern equine encephalomyelitis (EEE), a mosquito-borne virus, bringing the state's total... Read More


Kentucky Reports Fourth WNV Case of 2008 Season

October 17, 2008

A fourth horse in Kentucky has tested positive for West Nile virus (WNV). According to a notification released by the state veterinarian's office, the 7-year-old Tennessee Walking Horse had been partially vaccinated against the disease. It had... Read More


Two Texas Horses Positive for EEE

October 10, 2008

Texas has joined at least five other states this year in reporting cases of Eastern equine encephalitis infection in horses. In Houston County, in the southeast corner of the state, a horse with clinical illness has tested positive for the... Read More


Washington Horse Owners Beware: West Nile Virus Lurking

October 05, 2008

The Washington state Department of Health reported two additonal horses have tested positive for West Nile virus. There also have been additional dead birds in Lewis and Pierce Counties that tested positive.

Earlier this year West Nile... Read More


Kentucky Reports Second Equine West Nile Virus Case

October 01, 2008

A second Kentucky horse has been confirmed as positive for West Nile virus, animal health officials announced.

The affected animal is a 17-month-old Tennessee Walking Horse from Adair County, in the south-central portion of the state. This... Read More