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Wearing Two Can Raise Protection Level to 95%, Study Finds

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Posted on February 20, 2021 at 12:00 am by Carol Tannenhauser

By Carol Tannenhauser

The NYC Health Department is recommending that New Yorkers put on two masks—a paper one lined by a material one—to higher stem the unfold of the coronavirus, Mayor Bill de Blasio and NYC Health Commissioner Dr. Dave Chokshi introduced collectively on the mayor’s weekly press convention on Thursday.

This follows the current launch of a CDC examine, which discovered “that two masks are better than one in slowing coronavirus spread,” AP reported. “The researchers found that wearing one mask—surgical or cloth—blocked around 40% of the particles coming toward the head that was breathing in. When a cloth mask was worn on top of a surgical mask, about 80% were blocked. When both the exhaling and inhaling heads were double-masked, more than 95% of the particles were blocked…”

The new steering comes at a time when there’s rising concern about extra contagious variants of the virus displaying up within the metropolis. It has grow to be a requirement in some NYC courts. “Visitors to Manhattan federal court and other buildings in the Southern District of New York are now required to either wear two face masks or an FDA-approved N95 mask,” wrote the New York Post.

“Of all the things that we’ve learned in this crisis, maybe the most profound is the power of a mask,” Mayor de Blasio stated. “What we’re saying today is time to double up. Two masks are better than one. Make it a double.”

“Masks help us face the world and each other but it’s important that we cover up correctly,” stated Dr. Chokshi. “The strategies we’re sharing today will help shield all of us from COVID-19.”

The Health Department issued the next steering on the right choice and use of face coverings:

Use a face overlaying with two or three layers of fabric to higher forestall unfiltered air from passing via. A material face overlaying over a disposable masks, can be really useful. However, individuals shouldn’t use two disposable masks. Wearing two of those masks doesn’t assist enhance match.

Use face coverings fabricated from tightly woven cloth (materials that don’t let mild go via when held up to a light-weight supply). Face coverings needs to be fabricated from breathable cloth (like cotton), and never of leather-based, plastic, or different supplies that make it onerous to breathe.

Do not use a face overlaying with an exhalation valve because it permits unfiltered exhaled air to escape.

Make certain the face overlaying matches snugly in opposition to the perimeters of the face and absolutely cowl each the nostril and mouth, with out slipping. Face coverings that match loosely enable respiratory droplets to enter and leak out.

For New Yorkers at better danger, the steering recommends two masks and even contemplating higher-grade masks, resembling a KN95 masks, which has similarities in design and performance to N95 masks utilized by healthcare employees.

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