A new U.S. government-led study has found that common materials such as cotton can effectively filter particles as small as the coronavirus, especially when layered. The findings offer more evidence ...

June 30 (UPI) --To figure what types of homemade mask best prevent the spread of COVID-19, scientists at Florida Atlantic University used glycerine and laser light to illuminate the movement of ...

April 24 (UPI) --New research suggests homemade masks combining cotton with natural silk or chiffon offer the best protection against virus-carrying aerosol particles. Though public health experts ...

Members of the public looking to make a facemask at home to prevent the spread of COVID-19 should use a combination of cotton and natural silk or chiffon, according to scientists writing in ACS Nano.

Editor's note: This story, dating from April 2020, contains outdated information about masks for the COVID-19 pandemic. As of Jan. 24, 2022, according to the CDC: “Loosely woven cloth products provide ...

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