The first West Nile Virus positive bird has been detected in Peoria County this year, according to a release Thursday by the Peoria City/County Health Department. West Nile Virus is transmitted through the bite of a mosquito which has picked up the virus by feeding on an infected bird. Common West Nile virus symptoms include fever, nausea, headache, and muscle aches. Symptoms may last from a few days to a few weeks. However, four out of five people infected with West Nile virus will not show any symptoms. People older than 50 are at higher risk for severe illnesses from West Nile.
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