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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Equine Influenza

Columbia County, WI

Outbreak Identifier: 7466

Alert ID: 5033

June 09, 2026

Confirmed Case(s) - No Quarantine

Source: Wisconsin Department of Agriculture, Trade and Consumer Protection

Number Confirmed: 1;
Number Euthanized: 1;

Horse 1:
Age: 20; Gender: Gelding; Breed: Grade; Onset of Clinical Signs: 6/1/2026; Clinical Signs: Fever, urine dribbling; Confirmation Date: 6/5/2026; Horse Status: Euthanized; Vaccination Status: Status Unknown;

Comments: Horse came from a local dealer/kill pen rescue. No other horses on site. Euthanized in part due to presumed chronic neurologic condition.;

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