In a recent study posted to the medRxiv* preprint server, researchers in the United States assessed the efficiency of facemasks in severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) ...

A new study in The Lancet demonstrates that face coverings dramatically reduce the load of SARS-CoV-2 in exhaled breath from infected persons. The reductions reached as high as 98 percent, with ...

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Three years after a global pandemic prompted public health officials to recommend widespread mask-wearing, social media users warned that people who wore masks unknowingly subjected themselves to ...

Dr. Eric Westman was helping a Durham nonprofit organization provide free masks to people who need them when he decided he should find out whether the masks would really prevent the spread of ...

Since the pandemic began, there have been dozens of published research articles detailing the difficulty of recognizing masked faces. I reviewed some of these findings in two prior posts, here and ...