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

A horse in Spartanburg County, South Carolina, has tested positive for West Nile virus (WNV), the Equine Disease Communication Center (EDCC) reported Dec. 11. This is the first case in Spartanburg County and the fifth case of WNV in South Carolina horses confirmed this year.

“The case was a 17-month-old grade filly who was not vaccinated,” the EDCC said. “The horse was euthanized and WNV was confirmed via PCR testing. No quarantine was established.”

In 2017, officials confirmed 10 cases of WNV in South Carolina horses, according to USDA Animal and Plant Health Inspection Service data

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