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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.



Pearl River County, MS
Outbreak Identifier: 7140
Alert ID: 4662
October 16, 2025
Confirmed Case(s) - No Quarantine

State Veterinarian

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

Horse 1: 
Age: Weanling; Gender: Colt; Breed: Quarter Horse (QH); Onset of Clinical Signs: 10/4/2025; Clinical Signs: neurologic, died, only had initial vaccination; Confirmation Date: 10/15/2025; Horse Status: Deceased; Vaccination Status: Vaccinated;