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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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Winona County, MN
Outbreak Identifier: 5352
Alert ID: 2734
September 16, 2022
Confirmed Case(s) - No Quarantine

State Animal Health Official

Number Confirmed: 1;
Number Exposed: 20;
Age: 3; Gender: Mare; Breed: Draft-cross; Onset of Clinical Signs: 9/5/2022;
Clinical Signs: Generalized muscle fasciculations and behavioral changes.; Confirmation Date: 9/14/2022; Horse Status: Recovering; Vaccination Status: Unvaccinated;
Comments: A horse in Winona County has tested positive for West Nile Virus. For more information go to: WNV factsheet.