Outbreaks | Equine Disease Communication Center

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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West Nile Virus

Adams County, IN

Outbreak Identifier: 6986

Alert ID: 4502

August 22, 2025

Confirmed Case(s) - No Quarantine

Source: Indiana State Board of Animal Health

Number Confirmed: 1;
Number Exposed: Unknown;

Horse 1:
Age: 8; Gender: Mare; Breed: Pony; Onset of Clinical Signs: 8/14/2025; Clinical Signs: Owner noticed neurologic signs in the hind end that progressed to recumbency and inability to stand without assistance. Patient continued to eat and drink and remained alert.; Confirmation Date: 8/21/2025; Horse Status: Euthanized; Vaccination Status: Unvaccinated;

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