Mask Adherence and Rate of COVID-19 Across the United States

New state-by-state analysis shows a statistical association between high adherence to mask wearing and reduced rates of COVID-19 in the U.S. Charlie Fischer and colleagues at the Boston University School of Public Health in Massachusetts present these findings in the open-access journal PLOS ONE on April 14. Analysis showed that, out of 15 states that did not require people to wear […]

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Evaluation of Particle Filtration Efficiency of Commercially Available Materials for Homemade Face Mask Usage

Wearing a face mask can protect yourself and others from COVID-19, but the type of material and how many fabric layers used can significantly affect exposure risk, finds a study from the Georgia Institute of Technology. The study measured the filtration efficiency of submicron particles passing through a variety of different materials. For comparison, a human hair is about 50 microns in […]

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