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Study: Wearing two masks can prevent twice as many infections
A new study from the U.S. Centers for Disease Control and Prevention has found that in order to really protect against corona, one mask will not really help you. So how does it work?
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Thursday, February 11, 2021, 11:15 p.m.
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Once we understand that the vaccines will not completely prevent the spread of the corona epidemic in the near future, more measures need to be considered until a cure is found or until the virus is eradicated from the face of the earth.
US government researchers looking for more methods to prevent the spread of sources, found that wearing two masks for a better one match against corona virus.
The Centers for Disease Control and Prevention (CDC) reported yesterday the results of a laboratory experiment was conducted using two artificial heads placed within 2 meters From this and through them we examined how many particles of the corona virus splashed by one, inhaled by the other.
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To the full article
The researchers found that wearing a single mask - surgical or cloth - blocked around 40 percent of the particles coming towards the inhaled head.
When a cloth mask was put on top of a surgical mask, about 80 percent of the particles were blocked.
When both the exhalation and inhalation heads were with dual protection of two masks, more than 95 percent of the particles were blocked, said Dr. John Brooks, a physician from the CDC.
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"The first challenge is to get as many people as possible to wear masks. Then help those who are already wearing to get the best out of that mask," Brooks said.
The study had many limitations: the researchers used one brand of surgical mask and one cloth mask, and it is unclear if the results will be the same in each product.
But these findings join several previous studies that have suggested that two masks are better than one.
"It works," Brooks said.
He is already implementing it.
US President Joe Biden (Photo: AP)
The CDC has also updated its guidelines for wearing two masks.
If done correctly, a cloth mask worn over a surgical mask can tighten the gaps around the ends of the mask that can allow virus particles to enter, the CDC said.
Some Americans have already begun to double.
Experts believe that this is at least partly out of concern for new strains of corona virus which they spread more easily to the original virus brought about the epidemic originated in the USA last year.
Wearing masks common for years in some countries during outbreaks of respiratory diseases, especially in parts of Asia, but Not in the United States which was among the last countries to recommend wearing masks.It was only after it became clear that infected people who did not show symptoms could spread the virus that the CDC began recommending people to wear masks in public.and yet, many Americans continue not to wear them.
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