EDCC Reports Six California Horses Now Confirmed with EHV-1

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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.

Six California Horses Now Confirmed with EHV-1

At the Los Angeles Equestrian Center, a febrile horse displaying mild neurologic signs has been confirmed positive for the non-neuropathogenic strain of equine herpesvirus type 1. Since issuance of the quarantine on November 3, 2016, a total of six horses displaying neurologic signs have been confirmed positive for equine herpesvirus myelencephalopathy. One of the six horses was euthanized on November 3 due to the severity of clinical signs. All other confirmed positive horses remain in isolation and under quarantine. All exposed horses remain under quarantine and temperatures are being taken twice daily. Four of the six confirmed positive horses participated in a horse show in Las Vegas, Nevada, on October 24-29, 2016. At this time, no additional EHV-1 cases have been confirmed in horses that exhibited at the Las Vegas horse show. CDFA has confirmed that the host facility has taken biosecurity measures, including a thorough cleaning and disinfection of the show facility. CDFA Animal Health Branch veterinarians continue to monitor the quarantine and situation on-site and will provide additional updates as they become available. For more information go to: https://www.cdfa.ca.gov/ahfss/animal_health/equine_herpes_virus.html.

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.