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 Herpesvirus- Neurologic

Washington County, MN

Outbreak Identifier: 4853

Alert ID: 2213

September 03, 2021

Confirmed Case(s) - Official Quarantine

Source: Minnesota Board of Animal Health

Number Confirmed: 1;
Number Exposed: 31;
Facility Type: Not Reported;
Age: 18; Gender: Mare; Breed: Quarter Horse (QH); Onset of Clinical Signs: 8/26/2021;
Clinical Signs: Ataxia, Recumbency; Confirmation Date: 9/2/2021; Horse Status: Euthanized; Vaccination Status: Unvaccinated;
Notes: A private facility in Washington County is under official quarantine after one horse has tested positive for EHM. For more information about EHM go to: EHM factsheet.

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