The Florida Department Agriculture and Consumer Services reported a Eastern Equine Encephalitis (EEE) case in a 14 year old quarter horse in Lake County.
The mare exhibited acute onset of neurologic symptoms on January 29. The horse was euthanized.
This is the 1st confirmed case of EEE for Florida in 2023.
Eastern Equine Encephalitis (EEE) is spread to horses and humans by infected mosquitoes, including several Culex species and Culiseta melanura.
In horses, the virus causes inflammation or swelling of the brain and spinal cord. General symptoms include central nervous system signs such as: head pressing, convulsions, lack of response to facial stimulation, fever above 103 degrees, ataxia, paralysis, anorexia, depression and stupor. Other symptoms may include irregular gait, teeth grinding, in-coordination, circling, and staggering. All symptoms may not be exhibited by an infected horse.
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