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

Shasta County, CA

Alert ID: 328

September 23, 2016

On September 22, 2016, a 10 year old Quarter Horse gelding in Shasta County, California displaying neurologic signs was confirmed positive for West Nile Virus (WNV). The vaccination status of this horse is unknown. The gelding is recovering. For 2016, a total of nineteen (19) horses have been confirmed positive for WNV in California. Seven of the nineteen positive confirmed horses died or were euthanized. CDFA continually monitors and investigates equine neurologic cases for the presence of WNV in California. CDFA urges horse owners to consult their veterinarian concerning a WNV vaccination program to ensure maximum protection of their horses. For more information visit: https://www.cdfa.ca.gov/ahfss/animal_health/wnv_info.html

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