BLOOMINGTON, Ill. -- The McLean County Health Department announced Tuesday that a batch of mosquitoes found near Bloomington are West Nile virus positive.
McLean County is one of 16 counties across the state to have a mosquito collection test positive for West Nile in 2013.
Mild cases of West Nile can cause a slight fever or headache. Severe infections can lead to high fever, disorientation, and even paralysis or death.
People at the highest risk for serious illness are young children, adults 50 years of age or older and people with compromised immune systems.
The McLean County Health Department says anyone concerned about their risk or experiencing symptoms should contact a doctor and inform them of any recent mosquito bites.