EHV-1 Quarantine in Alameda County

April 6, 2020: One additional horse, a 15-year-old pony gelding, displaying fever but no neurological signs, has been confirmed positive for EHV-1. The horse has been isolated with additional biosecurity measures put in place. CDFA continues to monitor the situation

March 31, 2020: One additional horse, a 15-year-old Warmblood gelding, displaying fever but no neurological signs, has been confirmed positive for EHV-1. The horse has been isolated with additional biosecurity measures put in place. The index mare has tested negative twice seven days apart and has been released from her individual quarantine. CDFA continues to monitor the situation.

March 27, 2020: One additional horse, an 18-year-old Quarter Horse gelding, displaying fever but no neurological signs, has been confirmed positive for EHV-1. The horse has been isolated with additional biosecurity measures put in place. CDFA continues to monitor the situation.

March 23, 2020: No new cases have been reported. CDFA continues to monitor the situation.

March 18, 2020: No new cases or compatible clinical signs have been reported. CDFA was onsite to assess biosecurity and continues to monitor the situation.

March 16, 2020: A 14-year-old pony mare in Alameda County displaying neurologic signs has been confirmed positive for Equine Herpesvirus-1. The mare has been isolated and quarantined at a veterinary hospital.  Forty-four (44) exposed horses on the home premise have been quarantined with enhanced biosecurity measures including twice daily temperature monitoring. CDFA was onsite March 14 to evaluate the situation. All potentially exposed horses have been traced and contacted. Any horse displaying clinical signs or a temperature over 101.5F shall be reported to the veterinarian for evaluation and potential nasal swab and blood sampling. CDFA continues to monitor the situation.