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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
Los Angeles County, CA
Outbreak Identifier: 5398
Alert ID: 2782
October 27, 2022
Confirmed Case(s) - No Quarantine

California Department of Food and Agriculture

Number Confirmed: 1;
Age: 15; Gender: Gelding; Breed: Paint; Onset of Clinical Signs: 10/2/2022;
Clinical Signs: Colic and fever 10/2; ataxia and weakness in all 4 legs starting 10/3; Confirmation Date: 10/26/2022; Horse Status: Euthanized; Vaccination Status: Status Unknown;
Comments: On October 26, 2022, a 15-year-old Paint gelding with an unknown vaccination history in Los Angeles County, displaying neurological signs, was confirmed positive for West Nile Virus. The gelding was euthanized. This is the sixteenth case of equine WNV confirmed in California in 2022. For more information go to: West Nile Virus factsheeet. 
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