Breaking News
Equine Herpesvirus Myeloencephalopathy (EHM) Outbreak
Learn More

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.



Howard County, IN
Outbreak Identifier: 7258
Alert ID: 4791
December 11, 2025
Confirmed Case(s) - Voluntary Quarantine

Indiana State Board of Animal Health

Number Confirmed: 1; 
Number Suspected: Unknown; 
Number Exposed: Unknown; 
Facility Type: Boarding Facility; 

Horse 1: 
Age: 8; Gender: Mare; Breed: Paint; Usage: Pleasure Riding; Onset of Clinical Signs: 12/6/2025; Clinical Signs: Nasal discharge; Confirmation Date: 12/10/2025; Horse Status: Affected And Alive; Vaccination Status: Status Unknown;

Comments: Patient was a new addition to the barn.;