Outbreaks | Equine Disease Communication Center

Updates on current disease outbreaks are listed here as they occur and will include the date listed, disease name, location and current status. Specific premises will not be named but the general location by town, county and state will be listed. When locations, events or horses are at risk they will be listed. Updates will be posted as they are received.

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West Nile Virus

Kings County, CA

Outbreak Identifier: 5391

Alert ID: 2775

October 24, 2022

Confirmed Case(s) - No Quarantine

Source: California Department of Food and Agriculture

Number Confirmed: 1;
Age: Suckling Foal; Gender: Colt; Breed: Quarter Horse (QH); Onset of Clinical Signs: 9/23/2022;
Clinical Signs: down, paddling; Confirmation Date: 10/21/2022; Horse Status: Deceased; Vaccination Status: Unvaccinated;
Comments: On October 21, 2022, a 6-month-old unvaccinated Quarter Horse colt in Kings County, displaying acute neurological signs, was confirmed positive for West Nile Virus. The colt died. This is the fifteenth case of equine WNV confirmed in California in 2022. For more information about West Nile Virus go to: WNV factsheet.

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