West Nile Virus (WNV)


N.Y. Officials Encourage Equine EEE, WNV Vaccinations

September 27, 2012

Two EEE cases and one WNV case have been confirmed in New York horses this year.... Read More


California's 2012 Equine WNV Case Total Reaches 20

September 26, 2012

A 16-year-old horse from Yuba County and a 2-year-old horse from Shasta County were euthanized due to WNV.... Read More


New California Equine WNV Case Brings State Total to 18

September 24, 2012

The 18-month-old unvaccinated Fresno County filly is reportedly recovering after testing positive for WNV.... Read More


EEE Found in New Hampshire Horse

September 21, 2012

A horse in the Hillsborough County town of Derry was confirmed positive for Eastern equine encephalitis.... Read More


Kentucky's Twelfth Equine WNV Case of 2012 Confirmed

September 19, 2012

The unvaccinated 5-year-old Tennessee Walking Horse gelding from Garrad County was euthanized Sept. 18.... Read More


New Equine EEE, WNV Cases Confirmed Across Country

September 18, 2012

Summer might be winding down, but equine mosquito-borne disease case numbers continue to rise.... Read More


Flood of Equine Encephalitis Cases Follow Hurricane Isaac

September 14, 2012

Mosquito-borne diseases in horses increase in wake of Hurricane Isaac.... Read More

Your veterinarian will help create a vaccination plan to keep your horse's immune system strong. What's right for your horse depends on his age, health history, and exposure to other animals, as well as your location.


California's Eleventh Equine WNV Case of 2012 Confirmed

September 13, 2012

An unvaccinated 4-year-old gelding was euthanized after contracting the virus.... Read More


New Equine WNV Cases Found in Connecticut, Florida, Kentucky

September 12, 2012

The number of equine West Nile virus (WNV) cases identified this year in the United States continues to rise.... Read More


West Nile Virus Still a Threat to Horses

September 11, 2012

It's not too late for horse owners to help protect their horses against this life-threatening disease.... Read More


California's Tenth Equine WNV Case of 2012 Confirmed

September 10, 2012

The unvaccinated 3-year-old Butte County filly was euthanized as a result of the disease.... Read More


Ninth West Nile Virus Case Reported in Kentucky

September 05, 2012

A 5-year-old Tennessee Walking Horse with a West Nile virus vaccination history was euthanized on Sept. 3.... Read More


Protecting Horses in Response to the Recent Increase in WNV

September 03, 2012

Protect horses by vaccinating against the disease and taking measures to prevent mosquito bites.... Read More


Veterinarians Urge Vaccination against West Nile Virus

August 31, 2012

It's not too late to ensure your horse is properly vaccinated against the potentially deadly West Nile virus.... Read More


Mosquito-Borne Disease and Your Horse

August 30, 2012

Veterinary experts answer questions about mosquito-borne diseases and your horse.... Read More


Washington Confirms First Equine WNV Case since 2009

August 30, 2012

The 2-year-old unvaccinated gelding from Yakima County has been euthanized.... Read More


Eighth Equine WNV Case of 2012 Confirmed in Kentucky

August 28, 2012

A 15-month-old Standardbred filly from Bourbon County was euthanized after developing clinical signs of WNV.... Read More


Safe and Healthy Equine Travels Start at Home

August 27, 2012

Whether traveling to an out-of-state show or a mile away to the park, good equine health care starts at home.... Read More


WNV, EEE Identified in Massachusetts Horses

August 25, 2012

Both West Nile virus (WNV) and Eastern equine encephalitis (EEE) have been identified in Massachusetts horses.... Read More


Kentucky Equine West Nile Case Tally Rises to Seven

August 24, 2012

Neither horse--a 6-year-old Palomino gelding and a 3-year-old Quarter Horse gelding--was vaccinated.... Read More


Oregon's First Equine WNV Case of 2012 Confirmed

August 24, 2012

The affected horse was identified in Klamath County, Ore. It is the state's first equine WNV case of 2012.... Read More


Two Montana Horses Positive for WNV

August 23, 2012

Neither horse was vaccinated against the disease, and both were euthanized due to disease progression.... Read More


Equine West Nile not a Huge Problem for Kentucky to Date

August 23, 2012

Infected horses present with ataxia, which is a lack of voluntary coordination of muscle movements.... Read More


Kentucky, California Report more WNV-Positive Horses

August 22, 2012

Five cases have been confirmed in Kentucky and six have been confirmed in California.... Read More


Kentucky Reports Fourth Equine WNV Case of 2012

August 21, 2012

The Arabian colt from Scott County received a vaccination in March, but did not receive a follow-up booster.... Read More