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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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Twin Falls County, ID
Outbreak Identifier: 7333
Alert ID: 4880
February 13, 2026
Confirmed Case(s) - No Quarantine

Attending veterinarian

Number Confirmed: 1; 
Number Suspected: Unknown; 
Number Exposed: 10; 
Facility Type: Private Facility; 

Horse 1: 
Age: 5; Gender: Gelding; Breed: Quarter Horse (QH); Usage: training; Onset of Clinical Signs: 2/6/2026; Clinical Signs: fever, lethargic, nasal discharge; Confirmation Date: 2/12/2026; Horse Status: Recovering; Vaccination Status: Unvaccinated;

Comments: PCR positive for EHV-4