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West Nile Virus Returns to South Dakota

Jim Gathany CDC

The South Dakota Department of Health  is reporting the first human West Nile cases of the season. As of July 3, three human cases if West Nile virus had been reported in Hughes, Codington, and Lincoln Counties. Last year there were 149 human cases of West Nile, including three deaths.

This is now the thirteenth year since South Dakota’s first human West Nile case in 2002.  The state has entered the peak transmission season of West Nile, which continues through early September. The West Nile virus is transmitted by the Culex tarsalis mosquito. State epidemiologist Lon Kightlinger says people need to protect themselves during evening outdoor activities, including sporting events and camping.

For more information on West Nile virus prevention and control click here.