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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West Nile Virus

Sacramento County, CA

Outbreak Identifier: 5316

Alert ID: 2696

August 20, 2022

Confirmed Case(s) - No Quarantine

Source: California Department of Food and Agriculture

Number Confirmed: 1;
Number Exposed: Unknown;
Facility Type: Private Facility;
Age: 4; Gender: Mare; Breed: Thoroughbred (TB); Usage: Racing; Onset of Clinical Signs: 8/7/2022;
Clinical Signs: Colic, facial/lip fasciculations, progressive ataxia and CNS signs.; Confirmation Date: 8/19/2022; Horse Status: Affected And Alive; Vaccination Status: Status Unknown;
Comments: This is the 3rd case of equine WNV in California in 2022. For additional information, go to https://www.cdfa.ca.gov/ahfss/Animal_Health/WNV_Info.html. For more information go to WNV factsheet.;

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