PIERRE, S.D. (AP) -- South Dakota has its first human case of West Nile virus this year.
The Health Department says a Hughes County resident in the 30 to 39 age group has been diagnosed with the virus, which is transmitted by mosquitoes.
Even though the peak transmission season is July through early September, Lon Kightlinger in the Health Department said it's not unusual to have cases this early in the year.
Most people who get the virus show no symptoms. Others may have a fever, headache and body aches. Extreme cases can result in inflammation of the brain or spinal cord lining, or death.
Twenty-six people in South Dakota have died of West Nile since the first reported case in 2002.
(Copyright 2009 by The Associated Press. All Rights Reserved.)
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