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.



Equine Herpesvirus- Neurologic
LaGrange County, IN
Outbreak Identifier: 6146
Alert ID: 3598
February 22, 2024
Confirmed Case(s) - Official Quarantine

Indiana State Board of Animal Health

Number Confirmed: 1
Number Exposed: 20
Facility Type: Private Facility;

Horse 1: 
Gender: Mare; Breed: Pony; Onset of Clinical Signs: 2/19/2024; Clinical Signs: lethargy ataxia; Horse Status: Affected And Alive; Vaccination Status: Status Unknown;

Comments: On 2/19/2024 a pony mare presented with lethargy and ataxia. On 9/21/2024 test results confirmed she was positive for EHV-1 by PCR on both blood and nasal swab. She and the other 20 horses on the premises are quarantined and are being monitored for fever or other clinical signs. State animal health officials continue to monitor the situation and urge the equine community to employ good biosecurity practices when attending and returning home from equine events and sales.