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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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Washtenaw County, MI
Outbreak Identifier: 7416
Alert ID: 4970
April 27, 2026
Confirmed Case(s) - Voluntary Quarantine

Michigan Department of Agriculture

Number Confirmed: 1; 
Number Exposed: 2; 

Horse 1: 
Age: 13; Gender: Gelding; Breed: Lusitano; Onset of Clinical Signs: 4/16/2026; Clinical Signs: Fever, nasal discharge; Confirmation Date: 4/22/2026; Horse Status: Recovering; Vaccination Status: Unvaccinated;