Use of Masks to Help Slow the Spread of COVID-19

Use of Masks to Help Slow the Spread of COVID-19
Updated June 28, 2020
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Illustration of people wearing cloth face masks
Your mask may protect them. Their mask may protect you.
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Last Updated June 28, 2020
Content source: National Center for Immunization and Respiratory Diseases (NCIRD), Division of Viral Diseases