6 Pennsylvania Horses Test Positive for WNV
Edited Press Release
September 3, 2025
The West Nile virus cases are located in Berks, Lancaster, Lawrence, Mifflin, Snyder, and Union counties.
Discussions about the welfare of our equine friends
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.
The unvaccinated 2-year-old Arabian mare in Utah County marks the state’s ninth equine WNV case this year.
The District of Rainy River farm is under voluntary quarantine, and the mare is recovering.
The horses resided in the District of Algoma and Grey County.
Maintain an exercise regimen, address your horse’s weight, and explore medication options to help keep your senior horse sound. Three Penn Vet experts explain why.
The Standardbred lives in Carroll County and tested positive for West Nile virus.
The horse lives in Cache County and is recovering.
The horses live in Clarke County.
One expert explains what researchers know about EASD in horses and advancements they hope to make in prevention.
Advancements in technology and their growing use aim to reduce injuries in Thoroughbred racehorses. Learn more in The Horse‘s Summer 2025 issue.
The horse lives in Polk County.
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