Chicago's United Center will become a mass vaccination site opening March 10th As the state's vaccine supply is up. The Bulls and Blackhawks games are still going on, the arena will not be used for this massive vaccine site. They will use the parking lots as a drive-through and walk-up vaccination. Fema and the US Department of defense are heading up this initiative with a focus on getting the vaccine to those affected most who are in desperate need, They are looking tp distribute from 5,000 to 7,000 shots per day.