Equine Herpesvirus- Neurologic - Alameda County, CA

Source: California Department of Food and Agriculture

Number Confirmed: 11;
Number Exposed: 33;
Age: 14; Gender: Mare; Breed: Pony; Onset of Clinical Signs: 3/12/2020;
Clinical Signs: Cranial Nerve Deficit, Decreased Tail Tone, Hypermetria, Acute blindness, decreased tongue tone; Confirmation Date: 3/14/2020; Horse Status: Affected And Alive; Vaccination Status: Vaccinated;
Notes: Update 5/12/2020:All EHV-1 positive horses, with the exception of the index case, were febrile only, no neurologic signs. 

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Equine Herpesvirus-1

April 9, 2020: A 10-year-old Warmblood mare displaying neurologic signs has
been confirmed positive for Equine Herpesvirus-1. The mare is quarantined and isolated at a referral hospital where she is receiving care.  The Sonoma County home premises containing 48 horses is quarantined with enhanced biosecurity measures and twice daily temperature monitoring of all horse. CDFA will continue to oversee the situation. There is no link between this premises and the current EHV-1 quarantine premises in Alameda county.

Equine Herpesvirus-1 - Santa Barbara County

January 10, 2020: A 21-year-old Quarter Horse gelding in Santa Barbara
county displaying neurologic signs and fever has been confirmed positive for
Equine Herpesvirus-1. On January 9,2020, the gelding was euthanized due to
severity of signs. The index premises with two remaining horses has been
quarantined with requirements for enhanced biosecurity measures including
twice daily temperature monitoring. There has been no recent movement of
horses on or off the property. CDFA will continue to monitor the situation.