CHICAGO (CBS) — Soon you will be tested for COVID-19 and not even know it.
The Illinois Department of Public Health plans to start regular testing of sewage.READ MORE: 7 People Shot In Englewood
The program will begin in 10 counties, but by the end of the year it will be rolled out to the entire state.READ MORE: Massive Chemical Plant Fire In Rockton, Illinois, Could Burn For Days
Experts say they can detect the coronavirus in human waste days before symptoms appear.MORE NEWS: Indiana Man Searches For Family Of Little Girl Seen In Film That Dates Back More Than 80 Years
They hope testing can give officials an early warning before an outbreak.