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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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Genesee County, MI
Outbreak Identifier: 5866
Alert ID: 3304
September 13, 2023
Confirmed Case(s) - Voluntary Quarantine

Michigan Department of Agriculture and Rural Development

Number Confirmed: 3; 
Number Suspected: 2; 
Number Exposed: 5; 
Age: 11; Gender: Gelding; Breed: Kentucky Mountain Horse; Onset of Clinical Signs: 8/27/2023;
Clinical Signs: Swollen lymph nodes, fever; Confirmation Date: 9/5/2023; Horse Status: Recovering; Vaccination Status: Status Unknown;
Age: 19; Gender: Gelding; Breed: Grade; Onset of Clinical Signs: 8/15/2023;
Clinical Signs: Swollen lymph nodes, nasal discharge; Confirmation Date: 9/5/2023; Horse Status: Recovering; Vaccination Status: Undervaccinated;
Comments: Grade gelding came to property in early August.; 

Age: 11; Gender: Gelding ; Breed: Standardbred;  Onset of Clinical Signs: 8/30/2023; Clinical Signs: Swollen lymph nodes, fever; Confirmation Date: 9/5/2023; Horse Status: Recovering; Vaccination Status: Unknown; Comments: sampling swab, PCR, positive;