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: 367

November 15, 2016

There were no new clinical EHV-1 horses moved to quarantined isolation today at the LAEC. Currently, quarantined isolation is home to twelve (12) horses. To date, there have been seven confirmed cases of Equine Herpesvirus-1 Myeloencephalopthy (EHM), one of which was euthanized due to the severity of the disease. The six neurologic cases and four confirmed EHV-1 positive horses continue to show improvement and remain in isolation. In addition, two febrile horses in isolation have twice tested negative and will continue to be monitored 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.

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