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.

Chester County, PA
Alert ID: 1261
May 17, 2019

Pennsylvania Department of Agriculture

Number Confirmed: 1;
Number Exposed: Not Reported;
Clinical Signs: Neurologic Deficits;Horse Status: Affected And Alive; 
Notes: The horse remains on its home premises, a private equestrian facility in Chester County, Pennsylvania. The premises has been quarantined by the Pennsylvania Department of Agriculture, Bureau of Animal Health. The index case had not left the premises for over three weeks and was placed in strict isolation immediately when clinical signs were recognized. All horses on the premises are being monitored for clinical signs of EHV-1 infection and biosecurity precautions have been implemented to prevent the spread of the virus.