IDPH reports 4,349 new COVID-19 cases, 41 deaths Sep 17, 2021 | COVID-19 Update The Illinois Department of Public Health reported 4,349 new COVID-19 cases and 41 deaths on Thursday.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.