The Madison County Health Department says West Nile positive mosquitoes have been found in Bethalto, Edwardsville, Glen Carbon and Meadowbrook.
Mosquitoes are out in full force in the St. Louis area, but experts don’t anticipate West Nile to come around until late July.
Huge version of mosquito has been a local native for decades.
The pests and the diseases they carry can actually be worse during a drought.
Tainted bugs have turned up in No. County, Normandy, Olivette, Jennings, elsewhere.
“Although temperatures have been cooler recently, we continue to see West Nile virus activity across Illinois/Missouri.”
The county health department says the 12 year-old boy was hospitalized briefly.
Officials say the more than 134 mosquito samples from across Illinois have tested positive for West Nile virus, with no human case have been confirmed so far.