An 8-year-old Tennessee Walking Horse mare from Warren County tested positive on Nov. 1. Her vaccination status is currently unknown.

Horses with WNV were identified in Brooks, Franklin, and Hart counties.

The 6-year-old Thoroughbred gelding, who was vaccinated against WNV approximately 10 months ago, is recovering from the disease.

The affected horse—a vaccinated 8-year-old Holsteiner stallion—developed mild ataxia, prominent skin twitching, and moderate behavioral anxiety. He has since fully recovered.

Animal health officials confirmed WNV cases in horses from Bryan, Garvin, Grady, Logan, Osage, and Payne counties.

Two horses in Washington County recently tested positive for WNV. Bradley, Cumberland, and Sullivan counties reported one case in each county.

Officials have now confirmed 48 cases of WNV in Ohio horses so far this year—more than triple the number of cases confirmed last year.

A 5-year-old Tennessee Walking Horse mare from Rockcastle County was euthanized and a a 12-year-old Tennessee Walking Horse mare from Hardin County is recovering.

An unvaccinated yearling Standardbred filly from Kent County was euthanized while an unvaccinated 6-year-old Belgian mare, also from Kent County, is recovering.

The 3-year-old Quarter Horse gelding from Carlisle County presented with lethargy and rear-limb ataxia but has improved and has a favorable prognosis. The horse’s current WNV vaccination status is under investigation.

The unvaccinated 7-year-old Quarter Horse mare from Barren County responded well to treatment and, as of Oct. 23, was described as fully recovered.

According to EDCC data, officials have now confirmed 43 cases of WNV in Ohio horses so far this year—more than triple the number of cases confirmed last year.

An unvaccinated 22-year-old Tennessee Walking Horse gelding from Smyth County developed an abnormal gait on Oct. 8. His condition has slowly with supportive therapy.