Home Gov. Pritzker And Mayor Lightfoot toured what will be a 3,000-bed medical facility to treat less seriously-ill COVID-19 patients built in a collaborative effort involving the Illinois National Guard, U.S. Army Corps of Engineers and trade unions. (Photo by Chris Sweda-Pool via Getty Images) Gov. Pritzker And Mayor Lightfoot toured what will be a 3,000-bed medical facility to treat less seriously-ill COVID-19 patients built in a collaborative effort involving the Illinois National Guard, U.S. Army Corps of Engineers and trade unions. (Photo by Chris Sweda-Pool via Getty Images)

Gov. Pritzker And Mayor Lightfoot toured what will be a 3,000-bed medical facility to treat less seriously-ill COVID-19 patients built in a collaborative effort involving the Illinois National Guard, U.S. Army Corps of Engineers and trade unions. (Photo by Chris Sweda-Pool via Getty Images)

CHICAGO, IL – APRIL 3: One of 500 beds in Hall C Unit 1 of the COVID-19 alternate site at McCormick Place on Friday, April 3, 2020 in Chicago, Illinois. Gov. Pritzker And Mayor Lightfoot toured what will be a 3,000-bed medical facility to treat less seriously-ill COVID-19 patients built in a collaborative effort involving the Illinois National Guard, U.S. Army Corps of Engineers and trade unions. (Photo by Chris Sweda-Pool via Getty Images)

Lori Lightfoot