Published March 17, 2021 • Updated on March 17, 2021 at 2:50 pm NBCUniversal Media, LLC Chicago will enter Phase 1C, expanding coronavirus vaccine eligibility to include those with underlying health conditions and essential workers, on March 29, Chicago Mayor Lori Lightfoot officially announced Wednesday. "We are here to announce that because of the progress that we've made today in fighting COVID-19 that we will move into category 1C as planned on March 29," Lightfoot said. "This is good news for the tens of thousands who are anxiously awaiting their turn to get the life saving COVID-19 vaccine." Download our mobile app for iOS or Android to get alerts for local breaking news and weather.