Chicago plans to mandate COVID-19 vaccine for city employees Aug 24, 2021 | coronavirus, COVID-19 Update, Top Stories, Vaccination Chicago is working on a plan to mandate COVID-19 vaccine for all city workers, Mayor Lori Lightfoot said 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.