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CDC: Proper double-masking increases protection from COVID-19

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Posted at 1:18 PM, Feb 10, 2021
and last updated 2021-02-10 14:34:12-05

The Centers for Disease Control and Prevention has updated their stance on wearing two masks, saying it can be better than one in protecting against COVID-19, but there are some specifics.

The CDC released their findings Wednesday.

This study was specific to combining a snug fitting cloth mask over a surgical mask, a technique demonstrated by National Institute of Allergy and Infectious Diseases (NIAID) director Dr. Anthony Fauci back in January.

Using simulated coughs and breathing in a laboratory setting, researchers discovered that double-masking blocked more aerosol particles, improving mask performance by about 50 percent. They also found ways to wear masks to improve their effectiveness against the novel coronavirus.

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The CDC updated their website with the new mask-wearing guidance as well.

Wednesday, CDC director Rochelle Walensky reiterated the importance of at least wearing one mask, in a briefing from the White House COVID-19 Response Team.

"In the study, wearing any type of mask performed significantly better than not wearing a mask," said Walensky.