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Disease Alerts

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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Fresno County, CA
Alert ID: 562
July 20, 2017

California Department of Food and Agriculture

On July 19, 2017, an unvaccinated  2-year old Thoroughbred filly in Fresno County, California, displaying severe neurologic signs was confirmed positive for West Nile Virus (WNV). The filly died.  For 2017, a total of two (2) horses have been confirmed positive for WNV in California. The positive horses were located in Fresno and Kern Counties.