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

Fresno, Calaveras, Riverside, Sacramento, San Diego, San Joaquin, Sutter and Ventura Counties, CA

Alert ID: 284

August 19, 2016

A total of eight (8) horses have been confirmed positive for WNV in California in 2016. The positive horses are located in the following counties; Fresno, Calaveras, Riverside, Sacramento, San Diego, San Joaquin, Sutter and Ventura counties. All horses were not current on their WNV vaccinations. Two of the eight positive confirmed horses were euthanized. CDFA continually monitors and investigates equine neurologic cases for the presence of WNV in California. For more information go to: https://www.cdfa.ca.gov/ahfss/animal_health/WNV_Info.html

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