WEE Confirmed in Cache County, Utah
Mosquitoes that feed on WEE-infected animals can transmit the virus to humans, horses, and other (host) animals. | Photo: iStock

Officials at the Utah Department of Agriculture and Food (UDAF) have confirmed that a 30-year-old unvaccinated horse in Cache County is recovering from Western equine encephalomyelitis (WEE).

About Equine Encephalomyelitis

Eastern, Western, and Venezuelan equine encephalomyelitis (EEE, WEE, and VEE) are transmitted by mosquitoes from bird and rodent reservoirs. WEE is typically seen west of the Mississippi River.

Mosquitoes that feed on WEE-infected animals can transmit the virus to humans, horses, and other (host) animals. Infected horses cannot pass WEE onto other horses or humans. WEE’s survival rate ranges from 50-60%

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