Tennessee Horse Tests Positive for WNV
Edited Press Release
September 10, 2025
One horse in Sumner County tested postive for West Nile virus and was euthanized.
One horse in Sumner County tested postive for West Nile virus and was euthanized.
The West Nile virus case and the Eastern equine encephalitis case are located in Sumter and Effingham counties, respectively.
The horse lives in Grant County and is unvaccinated.
The mare lives in the Regional Municipality of Waterloo.
The mare lives in the Regional Municipality of Halton.
The horses live at a stable in Providence County.
There have now been seven confirmed equine West Nile virus cases in the state this year.
The filly lives in Davis County and has recovered from the disease.
One horse has tested positive for the disease, and three horses are suspected to be positive.
Ontario has now seen seven confirmed EEE cases in 2025.
The West Nile virus cases are located in Berks, Lancaster, Lawrence, Mifflin, Snyder, and Union counties.
One horse in Laird was confirmed positive for the disease.
The horses recently tested positive for Eastern equine encephalitis and lived in Clarke, Stone, Monroe, and Madison counties.
As new world screwworm threatens horses and livestock again, experts urge vigilance, rapid reporting, and prevention to stop its return to the U.S.
The Quarter Horse mare in Santa Barbara County is currently alive and recovering.
The yearling Thoroughbred colt marks the fifth confirmed case of equine West Nile virus in Kentucky this year.
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