The most popular mask can also be the least effective.
Scientists have classified masks for their ability to filter particles and that the most popular has arrived last.
With thousands of brands, styles, materials and modifications to choose from, it's hard to knowWhich special masks do the best job to prevent droplets from spreading. This is exactly why a group of researchers from the North Carolina University of Chapelle Hill has decided to put a range of masks to the test. For a study published by the newspaperJAMA internal medicineIn December, they decided to find theMost effective and least efficient masksAnd found that one of the most popular and widespread styles is ranked at the bottom of the list for efficiency. Read on to find out how your mask ranks and for more information on designs of dangerous masks, checkThis type of facial mask does not protect you from COVID, which warns.
Researchers tested many most popular styles, including woven nylon masks,Multilayer cotton masks, surgical masks and bandana style masks attached. It turns out, many of us arealways walk in masks which block the slightest amount of particles. Continue reading to see how easy each mask has proven to be effective, the most effective less efficient to filtration. And for more masks, checkWear this mask could be worse than no mask at all, the study says.
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9 N95 respirator approved by Niosh 3M 9210
Percentage of blocked particles:98.4%
8 Surgical mask with links
Percentage of blocked particles:71.5%
And know what are the revealing signs of coronavirus, discoverIf you have these 2 subtle symptoms, there are a good chance you have Covid.
7 Bandana cotton, style "bandit" folded
Percentage of blocked particles: 49%
6 2-layer woven nylon mask with earrings
Percentage of blocked particles: 44.7%
And to find out what places to avoid during the pandemic, checkAlmost all the transmission of Covid goes in these 5 places, says doctor.
5 Single layer / nylon woven polyester mask with links
Percentage of blocked particles:39.3%
4 Procedural mask with earrings
Percentage of blocked particles: 38.5%
And for more symptoms to look at looking forThe first signs you have COVID, according to Johns Hopkins.
3 One-layer woven polyester gaiter
Percentage of blocked particles:37.8%
2 Non woven polypropylene mask with fixed earrings
Percentage of blocked particles:28.6%
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1 3-layer knitted cotton mask
Percentage of blocked particles: 26.5%
Note from the publisher: This article has been corrected to assert accurately that the least efficient masks are cotton knit masks, not cotton-woven masks, due to an error in the study that has since been reported. "We wrongly referred to the material used in the 3-layer cotton mask tested in this study as" woven ". It is actually made with a knitted fabric," the study author
University of North Carolina in Chapel Hill wrote in a comment of the study. "This is important because ... the cotton knit cloth would be less efficient in filter aerosols than cotton woven fabrics. We regret the error and have requested that the article be corrected."And for more times when you can stop wearing masks, checkDr. Fuci says it's when we may stop wearing masks.