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- Neurologic

San Bernardino, CA

Outbreak Identifier: 4053

Alert ID: 1535

November 25, 2019

Confirmed Case(s) - Official Quarantine

Source: California Department of Food and Agriculture

Number Confirmed: 9

Number Exposed: 12

Notes: One additional exposed horse on the index premise, an 11-year-old Paint stallion, became febrile and has been confirmed positive for EHV-1. To date, a total of four (4) horses have been neurologic and an additional five (5) horses have become febrile, all of which have been confirmed positive for EHV-1. Three (3) of the neurologic horses were euthanized due to severity of clinical signs and all other horses on the property are alive and recovering. CDFA is onsite and continues to monitor the situation.

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