Fit matters most when double masking to protect yourself from COVID-19
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16 April 2021Fit matters most when double masking to protect yourself from COVID-19
A study published today in JAMA Internal Medicine shows that wearing two face coverings can nearly double the effectiveness of filtering out SARS-CoV-2-sized particles, preventing them from reaching the wearer’s nose and mouth and causing COVID-19. The reason for the enhanced filtration isn’t so much adding layers of cloth, but eliminating any gaps or poor-fitting areas of a mask.
