Equine Disease Communication Center Alerts

The Equine Disease Communication Center website (equinediseasecc.org) works to protect horses and the horse industry from the threat of infectious diseases in North America. The communication system is designed to seek and report real time information about disease outbreaks similar to how the Centers for Disease Control and Prevention (CDC) alerts the human population about diseases in people.

The goal of the EDCC is to alert the horse industry about disease outbreak information to help mitigate and prevent the spread of disease. Ultimately frequent and accurate information about diseases outbreaks improves horse welfare and helps to prevent negative economic impact that can result from decreased horse use due to a fear of spreading infection. As part of the National Equine Health Plan the EDCC will serve as part of the communication to help educate and promote research about endemic and foreign disease.

Working in cooperation with state animal health officials and the United State Department of Agriculture, the EDCC seeks information about current disease outbreaks from news media, social media, official state reports and veterinary practitioners. Once information is confirmed, it is immediately posted on this website and messages sent to all states and horse organizations by email. Daily updates are posted until each outbreak is contained or deemed no longer a threat.

The EDCC is made possible by generous donations from organizations and horse owners. Please visit our sponsors that have generously supported this program for the benefit of the health and welfare of horses. To learn how you can help go to SUPPORT.

Recent Alerts


EHV-1 in Howard County, MD

Confirmed case(s) quarantined

There have been no new cases of equine herpesvirus type 1 (EHV-1) reported since April 19 when two horses stabled at the same farm in Howard County tested positive for the non-neuropathogenic strain of the virus. The farm was placed on 30-day quarantine when the first case was confirmed on April 18. There has been no movement of horses on or off the farm since that date. No other EHV-1 cases have been reported in Maryland.


Eastern Equine Encephalitis in Osceola County, FL

Confirmed case(s) quarantined

On May 13, a new EEE case was confirmed in Osceola County, Florida. The two-year-old, unvaccinated Mustang had not been off the premises in over a year. Clinical signs began on May 6 and the horse was euthanized for humane reasons on May 7. This is the first confirmed EEE case in Osceola County and the second confirmed case in Florida for 2016.

Equine Herpes viruses in Palm Beach County, FL

Confirmed case(s) quarantined

On May 12, one premises in Palm Beach County was placed under quarantine after a horse displayed neurologic signs and was confirmed positive for EHV-1 via PCR. The 18 other horses on the premises currently are clinically normal. The index case has been euthanized for humane reasons. Biosecurity measures and twice daily temperature monitoring are in place. All states with traces have been notified. The Florida Department of Agriculture and Consumer Services will continue to monitor the situation.

Equine Herpes viruses in Washington County, WI

Confirmed case(s) quarantined

A horse in Washington county Wisconsin has tested positive for equine herpesvirus type 1 (EHV-1) according to Wisconsin’s state veterinarian. The horse began showing neurologic signs earlier this week and was humanely euthanized. Three other horses currently have a fever and are being monitored while being held in isolation from the other horses in the barn. The premises has been quarantined. The Wisconsin Department of Agriculture, Trade and Consumer Protection will work with the stable owner and the veterinarian to determine when the quarantine will be released. For more information go to: http://datcp.wi.gov/news/?ID=1470.

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