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

Orange County, CA

Outbreak Identifier: 5097

Type: EHV-1

Alert ID: 2453

March 03, 2022

Outbreak Update

Source: California Department of Food and Agriculture

Number Confirmed: 17;
Number Exposed: 86;
Notes: Update 3/3/22 Previous Alert IDs 2438 and 2451: Two (2) additional horses on this premises have been confirmed positive for EHV-1. Both of these positive horses displayed fever only and no neurological signs. CDFA continues to monitor the situation. To date, there have been one (1) confirmed EHM case (EHV-1 infection with neurological signs) and sixteen (16) positive EHV-1 fever-only cases associated with this incident.;

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