Several Illinois hospitals requiring masks as respiratory infections climb A mask requirement is in effect at area hospitals, including Rush University Medical Center, Rush Copley Medical Center and Rush Oak Park Hospital. By NBC Chicago Staff and NBC News • Published December 30, 2024 • Updated on December 30, 2024 at 4:55 pm Multiple Illinois health systems have implemented full or partial mask mandates amid a continuing uptick in respiratory infections across the state. Rush University Medical Center, in a note on its website, said visitors and staff must wear hospital-approved masks in some areas, citing increased levels of COVID-19 and other respiratory illnesses, such as the flu and RSV.
