Specialists: Use two masks for better protection against corona

Specialists: Use two masks for better protection against corona

Some US health experts, including Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases, and Dr. Ashish Zha, president of Brown University School of Public Health, have recommended the use of two masks at the same time.

In some places, they say, wearing a mask to prevent coronavirus infection Not enough And people have to put on a few masks. One reason for this recommendation is the emergence of mutant strains of the corona virus from South Africa, Brazil and the United Kingdom, which are more transmissible.

Dr. “Ashish Zha” published a post on his Twitter to the people recommended To use a mask in most public places and a quality mask (for example KF94) for indoor spaces. He added that in the absence of a KF94 mask, a surgical mask and a cloth mask should be used together. “The mask acts like a barrier to the virus particles, and wearing more than one increases the chances of the particles getting stuck,” says Dr. Linzi Marr, a viral transmission specialist at the University of Virginia.

Some doctors have gone a step further and recommended the use of more than two masks. “If you wear three or four masks, the more layers the better the protection against the virus,” says Scott Siegel, an anesthesiologist at Wake Forest Baptist Medical Center in North Carolina. “But you probably get rid of them quickly because you are bothered.”

Interestingly, some experts have a different opinion and believe that using several masks may be harmful to health. “Masks are like swimming goggles,” said Michael Osterholm of the University of Minnesota Infectious Diseases Research Center in an interview comparing masks to swimming goggles. They [عینک‌های شنا] Water usually does not pass through the lens, but around the eyes or face. If you wear more than one mask, you increase the entry and exit of air around the face. “Using two masks weakens your protection.”

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