COVID-19 vaccine eligibility expansion begins in parts of Illinois Feb 25, 2021 | coronavirus, Top Stories, Vaccination Those over the age of 16 with certain high-risk comorbidities and underlying conditions are now eligible to sign up for COVID-19 vaccinations in certain parts of Illinois.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.