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- Respiratory

Mason County, WA

Outbreak Identifier: 5144

Alert ID: 2512

March 25, 2022

Confirmed Case(s) - Voluntary Quarantine

Source: State vet office.

Number Confirmed: 1;
Number Exposed: 3;
Facility Type: Private Facility;
Notes: A horse at a boarding facility in Mason County has tested positive for EHV-4 and Strangles. The horse was purchased from Livestock market and had runny nose when received. The owner is working with private vet on biosecurity and checking temperatures daily. For more information about EHV-4 go to: EHV factsheet.;

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