Four Florida Horses Contract West Nile Virus

New cases in Lee County bring the state’s WNV total in 2020 to five.
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Four Florida Horses Contract West Nile Virus
WNV transmission occurs when infected mosquitoes feed on animals, as well as humans, after having fed on infected birds. | Photo: iStock

Florida Department of Agriculture and Consumer Services (FDACS) officials have confirmed four Lee County horses with West Nile virus (WNV), bringing the state’s total number of equine WNV cases to five and Lee County’s to three.

On Aug. 10, a 2-year-old grade colt and a yearling grade colt exhibited clinical signs of WNV that included fever, muscle twitching, and hind end weakness. Both horses were unvaccinated, and both are reported as affected and alive.

On Aug. 14, an unvaccinated 2-year-old Quarter Horse mare began experiencing unspecified clinical signs. She was confirmed positive on Aug. 20 and is reported as recovering

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