A new study is showing how mask mandates affect COVID-19 case numbers during the pandemic. Doctors from the University of Pennsylvania and Children’s Hospital of Pennsylvania looked at case numbers in ...
As students return to school and employees head back to the office all with new safety protocols likely including wearing a mask, a new study from Duke University explores which masks are more ...
Results of a new study by environmental health scientists at the University of Massachusetts Amherst suggest that inexpensive cloth masks worn by people who hope to reduce their exposure to air ...
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