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Friday, a group of researchers from Duke University published ato studyrevealing the least and most effective face coatings, using a single test method involving a laser beam and a cell phone measuring the"The effectiveness of masksReduce the transmission of breathing droplets during the regular speech, "they explained. What they found is that some of the most popular face mask styles are not as efficient as you think. In fact, one of them is even less effective in preventing the propagation of the virus than to carry no mask at all.

Read them to see them classified as best and to guarantee your health and health of others, do not miss theseWithout signs that you have already had coronavirus.

The researchers have found that wearing a polar to the neck of the mouth - popular with riders - can be worse than no mask at all. They explained that talking through these types of masks "seemed to disperse the largest droplets in a multitude of smaller droplets, resulting in an increase in the number of droplets. Considering that smaller particles are suspended in the air longer than large droplets - which means that larger droplets run more quickly - "the use of such a mask can be counterproductive," explain she.

The bandanas can look cool, but they will not protect you from coronavirus. The researchers also found that a double-layer bandana was almost as inefficient as the fleece, having many problems in terms of droplets dispersed.

A knit mask may seem like a much more optional option than, for example, a surgical mask, but according to researchers, it's one of the worst options.

The researchers define this mask as a "2-layer cotton, pleated style" and do not recommend it.

A "1-layer cotton, pleated with pleated style" is surprisingly a better option than a 2-layer mask.

This "maxima with 1 layer" may seem slightly similar to that of surgical masks, but does not almost offer as much protection, depending on the researchers.

The Olson mask pattern, curved to fit mouth and nose area, may have been designed by health professionals to use when other surgical masks are not available. However, the 2-layer cotton mask was not the most effective in the lot.

The N95 mask with the expiration valve is significantly less effective than the traditional N95. "The performance of the Valved N95 mask is probably affected by the expiration valve, which opens for a strong outward air flow," the researchers explained. "Although the valve does not compromise the protection of the wearer, it can decrease the protection of the people surrounding the wearer." In fact, the CDC recently warned to use masks with expiration valves or vents for this very reason.

The popular 2-layered cotton pleated style mask was one of the most efficient masks.

Very similar to cotton 2, this pleated 2-layer style mask is also judged incredibly efficient.

If you do not have a hand mask, wear a strip of mask material (polypropylene) is a great option. The researchers found that it was one of the most protective face blankets.

In addition to masks worn by professionals, it is the most protective cotton or polypropylene option. The researchers claim that they "provided good coverage, eliminating a substantial amount of spraying of normal speech".

A three-layer surgical mask may not be elegant, but if you want to protect yourself and other coronaviruses, this is the second most effective option.

The best mask for the protection against coronavirus is unsurprisingly an adjusted N95 without expiration valve. However, keep in mind that they are not recommended by the CDC and are considered essential supplies that should be reserved for health workers and other first responders. " So do a homemade mask and cross this pandemic with your healthier, do not miss these 37 places you are most likely to catch coronavirus .