Additional WNV Cases Found in California, Minnesota Horses

California and Minnesota have confirmed 20 and 19 equine WNV cases, respectively, so far this year.
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Animal health officials in California and Minnesota have confirmed new cases of West Nile virus (WNV) in horses in those states.

In California, the state Department of Food and Agriculture (CDFA) reported that On Oct. 7, an unvaccinated 6-month-old Quarter Horse filly in San Joaquin County tested positive for WNV on Oct. 7. The filly, which was displaying neurologic signs of disease, is recovering.

The CDFA said 20 horses have tested positive for WNV so far in 2016. The positive horses are located in Calaveras, Fresno (2), Merced, Riverside, Sacramento (3), San Diego, San Joaquin (7), Shasta, Sutter (2) and Ventura counties. The department said 17 of those were not current on their WNV vaccinations and two horses had unknown vaccination status. Seven of the 20 WNV-positive horses died or were euthanized.

Meanwhile, in Minnesota, animal health officials confirmed the state’s 19th equine WNV case for 2016 in a Benton County horse

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Written by:

Erica Larson, former news editor for The Horse, holds a degree in journalism with an external specialty in equine science from Michigan State University in East Lansing. A Massachusetts native, she grew up in the saddle and has dabbled in a variety of disciplines including foxhunting, saddle seat, and mounted games. Currently, Erica competes in eventing with her OTTB, Dorado.

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