wnv in tennessee horses
West Nile virus is transmitted to horses via bites from infected mosquitoes. | Photo: iStock

The Tennessee state veterinarian announced Oct. 31 that five horses have tested positive for West Nile virus (WNV) in the eastern part of the state. These are the first reported cases of WNV in Tennessee horses this year.

Two horses in Washington County recently tested positive for WNV. Bradley, Cumberland, and Sullivan counties reported one case in each county.

There were three confirmed cases of WNV in Tennessee horses in 2017, according to USDA Animal and Plant Health Inspection Service data

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