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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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Stevens County, WA
Alert ID: 1023
September 07, 2018

Washington State Department of Agriculture

The Washington State Department of Agriculture has confirmed a case of equine West Nile virus in a horse in Stevens County that has resided in WA for at least the last three months. A 27-year-old Quarter Horse mare with no vaccination history showed neurologic signs including head tremor and muscle fasciculations. The horse is eating and has a good prognosis