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Disease Alerts

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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Merced County, CA
Outbreak Identifier: 7298
Alert ID: 4921
March 20, 2026
Quarantine Released

California Department of Food and Agriculture

Number Confirmed: 1; 
Number Exposed: 1; 
Comments: The one (1) potentially exposed horses on this premises tested negative on the sixty (60) day retest. Quarantine on this premises has been released.; 
Previous Alerts: 4842