MEDORA, N.D. — A 2-year-old female horse infected with West Nile virus at Theodore Roosevelt National Park developed serious neurologial symptoms and was euthanized.

Park visitors reported Saturday, Aug. 30, that a horse was “lying down, unable to get up," Superintendent Rachel Daniels said Wednesday, Sept. 17. Rangers helped the horse get up twice that day, and monitored its behavior into the evening hours.

"The horse exhibited an abnormal gait and grazing motions but was walking and foraging when staff departed," Daniels said.

The next morning, the horse was down again and unresponsive to stimuli, so she was euthanized, Daniels said. The body was recovered from the field, and samples were sent to a lab that determined the horse had been infected by West Nile virus, which is commonly

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