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California Horse Confirmed With WNV

August 6, 2020
Posted by Edited Press Release

The case marks the state’s second equine case of West Nile virus in 2020. The Stanislaus County horse was unvaccinated.

Topics: Diseases and Conditions, Horse Care, Horse Industry News, Neurologic Disease, Welfare and Industry, West Nile Virus (WNV)

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WNV transmission occurs when infected mosquitoes feed on animals, as well as humans, after having fed on infected birds. | Photo: iStock

On Aug. 3, California Department of Food and Agriculture (CDFA) officials confirmed the state’s second case of West Nile virus (WNV) in a horse in 2020. The affected horse, a 2-year-old Quarter Horse colt from Stanislaus County, began showing neurologic signs on July 28. Those signs included falling, fore- and hind-limb ataxia (incoordination), and knuckling. The horse, which was unvaccinated, is reported as recovering.

The first horse confirmed with WNV in California in 2020 was located in Amador County.

About West Nile Virus

RELATED CONTENT | Health Alert: West Nile Virus in Horses (Video)

WNV transmission occurs when infected mosquitoes feed on animals, as well as humans, after having fed on infected birds

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