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

Inyo County, CA

Alert ID: 380

December 02, 2016

December 2, 2016: One horse with mild neurologic symptoms has been confirmed as a case of EHM in Inyo County, California. This case is caused by the neurologic EHV-1 strain and is biologically distinct from the non-neurologic strain identified in all the recently confirmed cases (13 cases) in Los Angeles County. The affected horse, a 20-year-old QH gelding, is part of a wintering pack string of twenty-eight (28) horses and four (4) mules on an isolated, high desert ranch. These horses/mules have been placed under quarantine with no movement allowed in order to limit disease transmission. This disease outbreak is under investigation by CDFA staff onsite and CDFA will continue to provide updated information. For more information go to: https://www.cdfa.ca.gov/ahfss/animal_health/equine_herpes_virus.html.

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