IDPH reports one-day high of 15,415 new COVID-19 cases, 106,540 processed tests Nov 13, 2020 | COVID-19 Update, Top Stories The Illinois Department of Public Health reported two new records Friday, with a one-day high of 15,415 new COVID-19 cases after processing 106,540 tests. To access this post, you must purchase 1 Year Health News Illinois Subscription or 1 Year Group Subscription - Up to 5 Users.