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.

Clark County, WI
Alert ID: 285
August 22, 2016
The second case of West Nile Virus (WNV) was confirmed in a 4-year-old mixed breed (Standardbred/Belgian) unvaccinated gelding from Clark County, Wisconsin in 2016.  The horse showed acute neurologic symptoms (ataxia, recumbency) on August 10, 2016. Blood taken for testing on August 11th was positive for WNV on August 19, 2016.  Despite symptomatic treatment, the horse died on August 17, 2016.  Go to: https://datcp.wi.gov/Pages/Homepage.aspx