California Horse Confirmed With WNV

The Sacramento County case marks the state’s 19th confirmed equine case for 2020.
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California Horse Confirmed With WNV
The affected horse, an undervaccinated yearling Thoroughbred colt in Sacramento County, began showing clinical signs on Nov. 3. | Photo: Wikimedia Commons

On Nov. 13, officials at the California Department of Food and Agriculture (CDFA) confirmed a horse in Sacramento County with West Nile virus (WNV). The affected horse, an undervaccinated yearling Thoroughbred colt, began showing clinical signs on Nov. 3. Signs consisted of ataxia (loss of control of bodily movements) and hind-limb neurologic signs. The colt is recovering.

According to CDFA, this is California’s 19th confirmed equine case of WNV in 2020. Other counties with confirmed cases include: Amador (2), Butte (1), Glenn (1), Kinds (1), Merced (1), Modoc (1), Nevada (1), Riverside (2), San Bernardino (1), San Joaquin (4), and Stanislaus (3).

Of the 19 confirmed cases, 13 were unvaccinated, four had unknown vaccination histories, and two were vaccinated. Fourteen are alive, one died, and four were euthanized

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Diane Rice earned her bachelor’s degree in agricultural journalism from the University of Wisconsin, then married her education with her lifelong passion for horses by working in editorial positions at Appaloosa Journal for 12 years. She has also served on the American Horse Publications’ board of directors. She now freelances in writing, editing, and proofreading. She lives in Middleton, Idaho, and spends her spare time gardening, reading, serving in her church, and spending time with her daughters, their families, and a myriad of her own and other people’s pets.

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