Outbreaks | Equine Disease Communication Center

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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Equine Herpesvirus- Respiratory

Inyo County, CA

Alert ID: 392

December 13, 2016

No additional confirmed cases of EHM, EHV-1 and no new febrile horses have been identified at this time in Inyo county. This incident now has two (2) EHM cases and one EHV-1 confirmed case. Both of the EHM cases continue to show improvement. All three cases have been caused with the neurotrophic strain of the EHV -1. The affected horses are part of a wintering pack string of horses and mules on an isolated, high desert ranch. These horses/mules have been placed under quarantine with no movement allowed in order to limit disease transmission. The investigation of this disease outbreak is continuing by CDFA staff. Enhanced biosecurity is in place and we appreciate the cooperation and assistance from owner and private veterinarian. Updates will continue on a 48 hour basis. For more info go to: https://www.cdfa.ca.gov/ahfss/animal_health/equine_herpes_virus.html

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