Ventura County California Horse Contracts West Nile Virus
The Ventura County mare, whose vaccination status is unknown, first exhibited clinical signs, including altered gait, head tilt, and partial facial paralysis, on Sept. 13. | Photo: Wikimedia Commons
Officials at the California Department of Food and Agriculture (CDFA) confirmed on Sept. 17 that a 5-year-old Quarter Horse mare tested positive for West Nile virus (WNV). The mare, whose vaccination status is unknown, first exhibited clinical signs, including altered gait, head tilt, and partial facial paralysis, on Sept. 13. She is reported as affected and alive.

This is California’s 10th confirmed equine case of WNV in 2019.

About West Nile Virus

WNV transmission occurs when infected mosquitoes feed on animals, as well as humans, after having fed on infected birds

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