U of I university system to require COVID-19 boosters for students, staff Jan 7, 2022 | coronavirus, Top Stories, Vaccination The University of Illinois system announced Thursday it will require all students, faculty and staff to receive their COVID-19 booster as soon as they are eligible.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.