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

Vanderburgh County, IN

Outbreak Identifier: 5815

Alert ID: 3249

August 29, 2023

Confirmed Case(s) - No Quarantine

Source: Indiana State Board of Animal Health

Number Confirmed: 1;
Number Exposed: Unknown;
Age: 2; Gender: Stallion; Onset of Clinical Signs: 8/23/2023;
Confirmation Date: 8/28/2023; Horse Status: Euthanized;
Comments: Over half of Indiana's counties have recorded West Nile virus-positive mosquito pools on surveillance this summer. This positive horse is Indiana's first positive equine case for 2023.;

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