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

Merced County, CA

Alert ID: 1020

September 07, 2018

Source: California Department of Food and Agriculture

The California Department of Food and Agriculture confirms the seventh case of equine West Nile Virus in California for 2018. On September 4, 2018, a 16 year old Quarter Horse mare with an unknown vaccination status, in Merced County, displaying neurologic signs was confirmed positive for West Nile Virus. Due to the severity of neurologic signs, the mare was euthanized. For more information on California equine WNV cases for 2018 visit https://www.cdfa.ca.gov/ahfss/Animal_Health/WNV_Info.html

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