Update on Wyoming EHV-1 Outbreak

Wyoming issued a correction on the premise where the fourth positive horse was located.

A correction has been made regarding the previous outbreak update on the the equine herpesvirus outbreak in Campbell County: The fourth positive horse originated from the second quarantines premise, not the first quarantined premise. 

Additionally, on February 14, the Wyoming State Veterinarian confirmed a fifth horse with a fever at the Wright Agriculture Complex (the “third” premises) has tested negative on both nasal swab and whole blood for EHV-1 wild type. This premise is an event facility with long-term boarding. The premises has been under quarantine since February 7, and all equine events have been canceled until further notice. 

Prior to the quarantine being placed, four horses were removed from the Wright Ag Complex facility and taken to a private ranch where 13 other horses were already located. That premises and all 14 horses are under quarantine.

The Equine Disease Communication Center (EDCC) 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.

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