EDCC Reports Four New WNV Cases in Oklahoma

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.

Four New WNV Cases in Oklahoma

The Oklahoma Department of Agriculture has confirmed four more West Nile virus (WNV)-positive horses this week, bringing the states total up to nine for 2016. Following are the cases:

  • An 8-year-old pony gelding located in Choctaw County was showing severe neurologic signs, including leg paralysis, and was euthanized. The pony was not vaccinated for WNV.
  • A yearling Quarter Horse filly located in Payne County was showing moderate neurologic signs, including hind limb ataxia. The horse was not vaccinated for WNV.
  • A 16-year-old Quarter Horse gelding located in Beckham County was showing mild neurologic signs and is recovering. The horse was not vaccinated for WNV.
  • A 7-year-old Quarter Horse gelding located in Atoka County was showing severe neurologic signs, including hind limb paralysis, and was euthanized. Vaccination history is unknown.

For more information from Oklahoma visit



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.

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