California Horse Confirmed With WNV
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

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

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