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Disease Alerts

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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Snohomish County, WA
Outbreak Identifier: 4986
Alert ID: 2329
November 10, 2021
Confirmed Case(s) - Voluntary Quarantine

Washington State Veterinary Office

Number Confirmed: 1;
Number Exposed: 4;
Facility Type: Boarding Facility;
Notes:  A horse at a boarding facility in Snohomish County has tested positive for Strangles. The owner has quarantined the affected horse and is temperature taking other horses exposed and not allowing anything on or off property.  For more information about Strangles go to the Strangles factsheet.