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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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Oakland County, MI
Outbreak Identifier: 7342
Alert ID: 4889
February 24, 2026
Confirmed Case(s) - Voluntary Quarantine

Michigan Department of Agriculture

Number Confirmed: 1; 
Number Exposed: 3; 

Horse 1: 
Age: 5; Gender: Gelding; Breed: Thoroughbred (TB); Onset of Clinical Signs: 2/18/2026; Clinical Signs: Fever, facial swelling, draining tract; Confirmation Date: 2/23/2026; Horse Status: Affected And Alive; Vaccination Status: Vaccinated;