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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.



Cumberland County, ME
Outbreak Identifier: 5986
Alert ID: 3428
October 19, 2023
Confirmed Case(s) - No Quarantine

Maine Department of Agriculture, Conservation & Forestry

Number Confirmed: 1; 
Number Exposed: Unknown; 
Number Euthanized: 1; 
Facility Type: Private Facility; 

Horse 1: 
Gender: Mare; Breed: Mustang; Onset of Clinical Signs: 10/15/2023;
Clinical Signs: Horse presented with marked ataxia, condition declined rapidly; Confirmation Date: 10/19/2023; Horse Status: Euthanized; Vaccination Status: Undervaccinated;