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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
Kern County, CA
Outbreak Identifier: 5332
Alert ID: 2713
September 06, 2022
Confirmed Case(s) - No Quarantine

California Department of Food and Agriculture

Number Confirmed: 1;
Age: 2; Gender: Filly; Breed: Paint; Onset of Clinical Signs: 8/27/2022;
Clinical Signs: ataxia (worse in hind end), muscle fasciculations in shoulder/neck; Confirmation Date: 9/2/2022; Horse Status: Affected And Alive; Vaccination Status: Unvaccinated;
Comments: For 2022, a total of six (6) horses have been confirmed positive for WNV in California. The positive horses were located in Kern County (3), Sacramento County (1), Tehama County (1), and Tulare County (1). For more information about West Nile Virus go to: WNV factsheet. 
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