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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.



Payne County, OK
Outbreak Identifier: 7237
Type: EHV-1
Alert ID: 4785
December 04, 2025
Confirmed Case(s) - Official Quarantine

Oklahoma State Veterinarian

Number Confirmed: 1; 
Number Euthanized: 1; 
Comments: Horse was retested and did test negative for EHV-1 (nasal and blood). Original test was thought to be a weak positive. Horse was euthanized due to worsening chronic urinary tract issues.; 
Previous Alerts: 4764