Outbreak Alert: September 2, 2021 – West Nile Virus in Sacramento County, CA

California Department of Food and Agriculture

Number Confirmed: 1;

Age: 2; Gender: Mare; Breed: Andalusian;

Onset of Clinical Signs: 8/20/2021; Clinical Signs: Ataxia, muscle fasciculations, Recumbent;

Confirmation Date: 9/1/2021; Horse Status: Affected And Alive; Vaccination Status: Status Unknown;

Notes: For more information go to: WNV Factsheet

All information is sourced from


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