California Friesian Colt Tests Positive for WNV
Edited Press Release
September 30, 2025
The colt that tested positive for West Nile virus lives in Yolo County.
The colt that tested positive for West Nile virus lives in Yolo County.
The filly lives in Marion County.
The horse lives in Skamania County.
The horse has participated in rodeos throughout the Northwest and recently tested positive for West Nile virus.
The horses live in Foothills and Rocky View counties.
The horse lives in Henry County.
The horses live in St. Clair and Shiawassee counties.
The horse lives in Highland County.
The horse lived in Sanilac County and was unvaccinated.
The cases are located in Hopkins and Boyle counties.
The mare lives in the District of Sudbury.
The horse lives in Carroll County.
The horse lives at a boarding facility in Montgomery County.
A Friesian gelding in Providence County, Rhode Island, has tested positive for strangles.
A Dutch Warmblood stallion in Yolo County has tested positive for West Nile virus. This is California’s fourth confirmed equine WNV case in 2025.
The horse lives in Orange County.
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