Source:
California Department of Food and Agriculture
Notes: All premises are under an official quaratine.
Orange county #1 : (original EDCC notification alert #2438): 19 confirmed (1 EHM, 18 fever)-No Change
Orange county #2 : (EDCC alert # 2454) 8 confirmed (2 EHM, 6 fever/mild signs)-No Change
Orange county #3 (new premises) : A 10-year-old Warmblood gelding in Orange county displaying neurological signs was confirmed positive for Equine Herpesvirus Myeloencephalopathy (EHM) secondary to equine herpesvirus-1 (EHV-1 non-neuropathogenic strain) on March 4th. Febrile horses were reported on the premises prior to this EHM case confirmation, including two (2) horses that tested positive for EHV-1. CDFA has been onsite and will quarantine any exposed cohorts. There is no known epidemiological link to any other current EHM incidents at an event premises.;
LA county: (EDCC alert #2439): 1 confirmed (1 EHM)-No change
San Mateo county : (original EDCC notification alert #2405): Update 3/5/2022: 3 Two (2) additional horses from the index premises displaying fever only with no neurological signs were confirmed positive for EHV-1 on March 4th, and have been isolated at the index premises. To date, three (3) EHM cases (EHV-1 positive with neurologic signs) and thirty (30) EHV-1 febrile only cases have been confirmed (3 EHM, 30 fevers). The quarantine will be released when all positive horses have had two (2) consecutive negative tests seven (7) days apart. CDFA continues to actively monitor the situation.
Riverside county: (original EDCC notification alert #2416): Update 3-5-2022: Three (3) additional horse on the index event premise, outside of the index quarantine barn, displaying fever only with no neurologic signs were confirmed positive for EHV-1. To date, there have been three (3) confirmed EHM cases (EHV-1 infection with neurological signs) and thirty (30) confirmed EHV-1 fever-only cases associated with this incident (3 EHM, 30 fevers)-. CDFA is actively monitoring the situation.;
For more information go to: EHM factsheet