NAPERVILLE, Ill. (WLS) -- The first human case of West Nile virus in suburban DuPage County has been reported in a Naperville man, health officials said.
The man, who is in his 50s, was treated as an outpatient and his symptoms have improved, officials said.
The virus is transmitted through a mosquito that has fed on an infected bird and includes symptoms such as fever, nausea, headache and muscle aches, officials said.
The most effective way to prevent against becoming infected with West Nile virus is to follow the 3 R's: