Illinois launches system to monitor COVID-19 in wastewater Ryan Voyles 4 years ago A new statewide system will monitor for COVID-19 and its variants in wastewater in an effort to detect early warnings of potential outbreaks, officials announced Monday.To access this content, you must purchase 1 Year Health News Illinois Subscription or 1 Year Group Subscription - Up to 5 Users, or log in if you are a member.