EDCC Update on EHM in California; EEE in Florida

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The Equine Disease Communication Center (EDCC) offers alerts about equine diseases that have been confirmed by reliable sources. The following information is from the EDCC. The following reports are in chronological order from most recent to oldest from previous reports.

Additional Horse at LAEC Enters Quarantine

On Sunday, November 13, 2016, one horse at the Los Angeles Equestrian Center (LAEC), displaying a fever was placed in isolation quarantine and samples were collected for testing at the California Animal Health and Food Safety Laboratory. Additionally, the two febrile horses which tested negative on November 10, 2016, were re-sampled to confirm negative status. 

To date, there have been six confirmed cases of equine herpesvirus type 1 myeloencephalopthy (EHM), and three febrile horses confirmed positive for EHV-1. One of the EHM cases was euthanized due to the severity of the disease. The remaining five neurologic cases are showing improvement and remain in isolation. 

Enhanced biosecurity measures are in place in all barns under quarantine and all horses’ temperatures are monitored twice daily. 

CDFA veterinarians, livestock inspectors and USDA animal health technicians continue to monitor the quarantine and incident situation on-site and will provide additional updates as they become available.

EEE in Florida

On November 10 a new EEE case was confirmed in Marion County, Florida. The 15-year-old paint mare was vaccinated in prior years, but had not been vaccinated recently and had no recent travel history. Clinical signs began on October 28 and the mare is currently recovering. This is the second confirmed EEE case in Marion County and case 23 in Florida for 2016.

About EDCC

The Equine Disease Communication Center 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.