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.