Outbreaks | Equine Disease Communication Center

Updates on current disease outbreaks are listed here as they occur and will include the date listed, disease name, location and current status. Specific premises will not be named but the general location by town, county and state will be listed. When locations, events or horses are at risk they will be listed. Updates will be posted as they are received.

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Equine Herpesvirus- Respiratory

Los Angeles County, CA

Alert ID: 353

November 04, 2016

On November 4, 2016, three additional horses were confirmed positive for the non-neuropathogenic strain of Equine Herpesvirus-1 on the Los Angeles County index premises. Two of the three affected horses display neurologic signs and the third horse is febrile and all three are in isolation. Two of these newly confirmed equine cases attended the Las Vegas horse show last week. At this time, no additional EHV-1 cases have been confirmed in horses that exhibited at the Las Vegas horse show on October 27 - 29, 2016. Exposed horses on the Los Angeles index premises continue to have their temperatures monitored twice daily and enhanced biosecurity measures remain in place. CDFA Animal Health Branch veterinarians continue to monitor the quarantine and situation on-site and will provide additional updates as they become available.

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