Several Chicago-area health systems reinstate mask requirements as respiratory viruses spread - NBC Chicago
- Several Chicago-area health systems reinstate mask requirements as respiratory viruses spread NBC Chicago
- Coronavirus, flu cases rise in D.C. region, worrying health officials The Washington Post
- COVID Mask Mandates Return to Hospitals in Five States Newsweek
- Masking returns at many Massachusetts hospitals — and not just because of COVID GBH News
- Mass General Brigham bringing back mask mandate, as Boston-area COVID wastewater surges and infections rise Boston Herald