Several Chicago-area health systems reinstate mask requirements as respiratory viruses spread

Several Chicago-area health systems reinstate mask requirements as respiratory viruses spread  NBC ChicagoCOVID Mask Mandates Return to Hospitals in Five States  NewsweekMasking returns at many Massachusetts hospitals — and not just because of COVID  GBH NewsBaystate Health requiring masks for all hospital visitors due to COVID-19  WWLP.comMass General Brigham bringing back mask mandate…
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