Oklahoma Confirms Third Equine WNV Case of 2017
Erica Larson
October 12, 2017
The vaccination history for the affected Quarter Horse mare from Kay County is unknown.
The vaccination history for the affected Quarter Horse mare from Kay County is unknown.
The unvaccinated yearling Quarter Horse filly is responding to treatment.
An Oswego County horse tested positive for EEE and horses in Cayuga, Erie, and St. Lawrence counties contracted WNV.
Florida horses tested positive for EEE and WNV and a Kentucky horse was euthanized after contracting WNV.
A Cumberland County mare was euthanized due to EEE and a Salem County stallion is recovering from WNV.
Horses in Davidson and Knox counties tested positive for WNV and a Bedford County horse tested positive for EIA.
To date, the state has confirmed four EEE cases and 14 WNV cases in horses.
Ohio also confirmed a case of EEE in an Ashtabula County horse on Aug. 24.
The Texas Animal Health Commission is encouraging owners to vaccinate horses against WNV and EEE.
Neither affected horses was vaccinated against West Nile. Both are currently recovering.
The unvaccinated 13-year-old Tennessee Walking Horse gelding from Metcalfe County is reportedly recovering.
In years past, Oklahoma averaged approximately 40 equine cases per year of WNV and another mosquito-borne disease, EEE.
In 2016 Montana confirmed eight equine WNV cases in seven counties,
The most recent case involves an unvaccinated yearling Quarter Horse colt from Lassen County. He is now recovering.
The equine mortality rate for West Nile virus can be as high as 30-40%.
A 10-year-old gelding from Simcoe County was euthanized, while a 25-year-old mare from Bruce County is recovering.
Stay on top of the most recent Horse Health news with
