Current EHV-1 Situation:
February 16, 2016: No new cases. CDFA continues to monitor the situation.
February 11, 2016: No new cases. CDFA continues to monitor the situation.
February 9, 2016 : A fourteen (14) year-old polo mare, in Riverside County, displaying acute onset neurologic signs was euthanized on Sunday, February 7, 2016. The necropsy results from the California Animal Health and Food Safety Laboratory on February 9th, confirmed the non-neuropathogenic strain of EHV-1. All seventy (70) exposed horses in the stabling area have been placed under quarantine with required twice daily temperature monitoring. At this time, no additional horses are displaying clinical signs. All exposed horses will be monitored for clinical signs and fever for 14 days post-exposure. Enhanced biosecurity measures have been implemented and immediate isolation protocols for any horse with a temperature over 102F, or compatible clinical signs, are in place. CDFA has conducted an initial epidemiologic investigation to identify potentially exposed horses. There is no known link to the current EHV-1 outbreaks in other states. CDFA will continue to monitor the situation.
Recommendations for Participants at Equine Events
CDFA Animal Health Officials are continually monitoring for Equine Herpes Virus-1 cases. CDFA reminds horse owners traveling with horses to participate in an equine event, that there is always disease risk when horses of unknown health status are commingled for a show or competition. CDFA strongly recommends that horse owners practice proper biosecurity when attending an equine event. Compliance with basic biosecurity practices is an important factor in reducing risk of exposure to all contagious equine diseases. Basic biosecurity measures to follow to decrease potential disease spread at equine events include:
- Limit horse-to-horse contact
- Limit horse-to-human-to-horse contact
- Avoid use of communal water sources
- Avoid sharing of equipment unless thoroughly cleaned and disinfected between uses
- Monitor your horse for clinical signs of disease and report any temperature over 102°F to a veterinarian
- Make sure your horse is current for its Flu/Rhino vaccine