Denis - The COVID info guy -
"Want to Limit Respiratory Virus Infections? Mask and Test in Hospitals"
Healthcare workers masking makes a difference, study found
"When hospital staff began masking again, the rates of hospital-onset respiratory viral infections decreased by 33%"
Study: https://jamanetwork.com/journals/jamanetworkopen/fullarticle/2827170
Source: https://archive.md/Zki7D
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