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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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San Luis Obispo County, CA
Alert ID: 37
May 21, 2015

May 21, 2015 : A 7 year old barrel racing Quarter Horse gelding, originating from San Luis Obispo County, displaying mild hind limb ataxia was confirmed positive for the non-neuropathogenic strain of Equine Herpesvirus-1. This strain of virus is responsible for the more common rhinopneumonitis cases. A small percentage of the non-neuropathogenic infected horses can display neurologic signs compatible with equine herpes myeloencephalopathy which is a reportable disease in California. The quarantined gelding is under veterinary care in Santa Barbara County and is recovering. An investigation has been initiated and owners with potentially exposed horses will be contacted. Owners of exposed horses are asked to monitor their horses for clinical signs and take temperatures twice daily. CDFA will continue to monitor the situation. Go to: http://www.cdfa.ca.gov/ahfss/animal_health/equine_herpes_virus.html