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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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St. Lawrence County, NY
Outbreak Identifier: 7667
Alert ID: 5242
September 16, 2026
Confirmed Case(s) - No Quarantine

State Animal Health Official

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

Horse 1: 
Age: 5; Gender: Mare; Onset of Clinical Signs: 9/3/2026; Clinical Signs: Staggering, dog-sitting, then inability to rise, leading to depression, and groaning; Horse Status: Euthanized; Vaccination Status: Unvaccinated;