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.



Riverside County, CA
Outbreak Identifier: 6016
Alert ID: 3651
March 28, 2024
Quarantine Released

California Department of Food and Agriculture

Number Confirmed: 4; 
Number Exposed: 21; 
Number Euthanized: 4; 

Horse 1: 
Age: 2; Gender: Gelding; Breed: Quarter Horse (QH); Usage: Racing; Confirmation Date: 1/2/2024; Horse Status: Euthanized; 

Comments: One of the twenty-two (22) remaining exposed horses tested positive for EIA on the sixty (60) day retest. This two-year-old Quarter Horse gelding was euthanized. The remaining twenty-one (21) exposed horses and three (3) foals remained under quarantine for an additional sixty (60) days until they were retested again. The twenty-one (21) remaining exposed horses on this premises tested negative on their subsequent sixty (60) day retest. Quarantine on this premises has now been released.; 
Previous Alerts: 3459