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New Meta-Analysis Raises Doubts That Masks Work To Prevent COVID Infection and Transmission

A newly released meta-analysis on the use of face masks for reducing the transmission of viral respiratory infections within community settings shows the evidence for their effectiveness is equivocal at best. Titled, “Face masks to prevent community transmission of viral respiratory infections: A rapid evidence review using Bayesian analysis,” the study analyzed eleven randomized, controlled trials and 10 observational studies, concluding: “Available evidence from RCTs is equivocal as to whether or not wearing face masks in community settings results in a reduction in clinically- or laboratory-confirmed viral respiratory infections. No relevant studies concerned SARS-CoV-2 or were undertaken in community settings in the UK.” Read more...

 

 

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