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: 402

December 21, 2016

No new cases. CDFA continues to monitor the situation. On December 3, 2016, a 20 year-old Quarter Horse gelding displaying mild neurologic signs and located on a high desert ranch in Inyo County was confirmed positive for the neuropathogenic strain of Equine Herpesvirus-1. The gelding is part of a winter pack string of twenty-eight (28) horses and four (4) mules. On December 3, 2016, the premises was quarantined with enhanced biosecurity requirements. One additional equine herpesvirus myeloencephalopathy (EHM) and one EHV-1 febrile case was confirmed on the premises. The horses and mules were isolated in individual pens which limit disease spread. All confirmed positive horses continue to show improvement and are recovering.

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