If you don’t want to double mask, here’s how to make surgical masks mo

The extra contagious COVID variant first discovered within the U.Ok. is now doubling in prevalence roughly each 10 days within the U.S. On the current pace of vaccination, some individuals gained’t get photographs till the top of the yr. The collision of the rising pressure and our sluggish vaccination fee is one purpose masks are such an vital instrument now. However with N95 masks nonetheless briefly provide, the CDC now says that layering two masks can provide related safety. But it surely’s not the one answer: simply making a surgical masks match higher can even assist.

In lab tests, the CDC discovered that publicity to infectious particles dropped round 95%—the identical efficiency assured by N95 masks—when masks match tightly. A method to do that’s “knotting and tucking,” or making a knot on the fringe of a medical process masks (extra generally referred to as a surgical masks by the general public) alongside the sides, after which tucking within the further materials to make the masks as flat as potential on the face. Right here’s a easy demonstration:


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The CDC additionally says that utilizing a “masks fitter” is efficient—one thing like the straightforward body designed by Fix the Mask, a startup co-led by an ex-Apple designer who wished to discover a answer to shield medical staff early within the pandemic. The startup first advisable a DIY fix with rubber bands, after which designed a mask brace that may be positioned over a surgical masks to shut gaps on the sides of somebody’s face. Since surgical masks don’t include official labels certifying their effectiveness, the staff additionally tested some common brands itself.

[Image: Fix The Mask]

As an alternative choice, the CDC means that slicing a pair of nylons and pulling the “sleeve” over a masks can even enhance match. Most masks will also be tweaked in different methods to match higher. “Different methods to enhance the match and efficiency of your masks are to guarantee your masks has a steel nostril bridge that bends intently to match round your nostril and to select a masks with straps that may be tightened round your head, not simply your ears, as a result of you can get a tighter match,” Lindsay Marr, a professor of civil and environmental engineering at Virginia Tech who research airborne illness transmission, stated in a press release. “You need to really feel the masks sucking inward when you breathe in, and if you maintain your fingers across the sides of the masks, you mustn’t really feel any air leaking out when you breathe out.” Even a small hole, she says, can degrade efficiency by as a lot as 50%.


The masks’s capability to filter particles can also be vital, Marr says. “Sure supplies are higher than others at blocking small particles. These embody non-woven polypropylene, which is used to make N95s and plenty of surgical-type masks, HEPA filters, HVAC filters rated MERV 13 and better, and a few vacuum cleaner baggage. Amongst materials, tightly woven cotton works greatest.” If you use a material masks, it’s greatest to use one with a number of layers and a pocket for holding a filter—however an permitted surgical masks plus a masks brace is a way more efficient choice.

At a fundamental degree, although, any try at carrying a masks is healthier than the choice. “Any masks is healthier than no masks,” John Brooks, chief medical officer for the CDC’s COVID-19 response, stated in a press release. “Sporting a masks protects you and everybody in your neighborhood.” That’s as well as, after all, to staying six toes aside and avoiding crowds and journey—issues which will even have to proceed till many extra individuals are vaccinated.