Arwady: Chicago past omicron peak Jan 20, 2022 | coronavirus, COVID-19 Update, Top Stories, Vaccination Chicago's top doctor said Wednesday the city has passed the peak of the current omicron-fueled COVID-19 surge, while state officials said they were "cautiously optimistic" Illinois has done so as well.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.