Breaking News
National Equine Health Stakeholder Call-October 2026
Learn More

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.



1 Week
2 Weeks
1 Month
2 Months
3 Months
3+ Months
No Results

The color range is based off of the selected End Date. If the End Date doesn't have a value it will use Today's Date.

Franklin County, WA
Outbreak Identifier: 4810
Alert ID: 2174
August 16, 2021
Confirmed Case(s) - No Quarantine

Washington State Veterinary Office

Number Confirmed: 1;
Facility Type: Private Facility;
Horse Status: Euthanized; Clinical Signs: Lameness, severe diarrhea;
Notes: A mare in Franklin County has tested positive for Potomac Horse Fever. The foal has been weaned foal off mare as she was getting thin for 3 weeks. ;