California EHV-1 Causing EHM Disease Update as of 12 pm 5/22/2011
· California has one new confirmed case of Equine Herpes Myeloencephalopathy (EHM) caused by EHV-1. There are 17 confirmed EHM cases in the state.
o The positive confirmed cases are located in the following 11 counties: Amador(1), Glenn(2), Kern(2), Los Angeles(1), Marin(1), Napa(1), Placer (3), Plumas(1), Shasta(1), Stanislaus(3), Ventura(1).
o Sixteen(16) of the confirmed positive EHM CA cases participated in the National Cutting Horse Association’s Western National Championships in Ogden, Utah.
o One(1) of the confirmed positive EHM CA cases participated only in the Kern County Cutting Horse Event on May 13th in Bakersfield, CA.
o One confirmed positive EHM horse was euthanized after showing severe neurological signs associated with EHM.
o Three (3) confirmed positive EHM horses are being treated at the University of California Veterinary Medical Teaching Hospital in Davis.
o Seven (7) positive horses have displayed neurological signs. The other cases have only been febrile.
o All positive confirmed EHM cases are under a State Quarantine.
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