Face Coverings Made From Layered Cotton Fabric Likely Slow the Spread of COVID-19 Better Than Synthetics, New Study Finds | NIST

Face Coverings Made From Layered Cotton Fabric Likely Slow the Spread of COVID-19 Better Than Synthetics, New Study Finds | NIST

Face Coverings Made From Layered Cotton Fabric Likely Slow the Spread of COVID-19 Better Than Synthetics, New Study Finds

June 29, 2020
Of the 32 cloth materials tested, three of the five most effective at blocking particles were 100% cotton and had a visible raised fiber or nap, such as found on flannels.
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