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- Neurologic

California, United States

Outbreak Identifier: 5174

Alert ID: 2549

April 14, 2022

Information Only

Source: California Department of Food and Agriculture

Notes: Orange county #1 (original EDCC notification #2438): 23 confirmed (2 EHM, 21 fever) – PREMISES RELEASED 3/24

Orange county #2 (not posted individually): 16 confirmed (2 EHM, 14 fever/mild signs) – PREMISES RELEASED 3/30

Orange county #3 (original EDCC notification #2455): 27 confirmed (3 EHM, 24 fevers) – One horse remains in isolation, all others released from quarantine

Riverside county (original EDCC notification #2416): 35 confirmed (3 EHM, 32 fevers) – PREMISES RELEASED 3/23

San Mateo county #1 (original EDCC notification #2405): 40 confirmed (4 EHM, 36 fevers) – PREMISES RELEASED 3/31

San Mateo county #2 (original EDCC notification #2479): 3 confirmed (1 EHM, 2 fever) – PREMISES RELEASED 3/26

Santa Clara county (original EDCC notification #2482): 2 confirmed (2 EHM) – PREMISES RELEASED 3/31

Sonoma County (original EDCC notification #2510): 1 confirmed (1 EHM) – PREMISES RELEASED 4/1

San Diego County (original EDCC notification #2520): 1 confirmed (1 EHM) – PREMISES RELEASED 4/14;

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