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One of the most politically charged topics in the middle of the pandemic coronavirus was theUse of facial masks. And two of the most reliable health agencies in the world have had different recommendations on the subject. While the World Health Organization (WHO) recommended wearing a face mask only if you were sick or if someone surrounded was, the disease control and prevention centers (CDC) suggestedwearing a face covering Whenever social distancing (now six feet away) is not possible. However, which has just announced thatFace masks must be more ubiquitous around the world that what they have indicated earlier.

Friday, Director General of WHOTedros Adhanom Ghebreyesus During a media meeting in Geneva: "In community transmission areas, we advise that people aged 60 or older, or those with underlying conditions, should wear amedical mask In situations where physical distancing is not possible. "

As far as the general public is concerned in areas where Covid-19 is spreading, Ghebreyesus added that:

Given the evolving evidence, which advises governments should encourage the general public to wear masks where there is generalized transmission and physical distancing is difficult, as on public transport, stores or other environments confined or cluttered.

Based on new research, Ghebreyesus said: "It advises thatThe fabric masks must be composed of at least three layers different materials. "These layers should include an inner layer of an absorbent material such as cotton; an intermediate layer that acts as a filter or barrier (for example, a nonwoven material polypropylene); and an outer layer of a non-absorbent Material, such as a mixture of polyester or polyester.

So, why did he take so long to know who will recommend a mask to wear through the table?William Schaffner, MD, medical director of theNational Foundation for Infectious Diseases, recently explained at ABC News that everything inAlmost everyone can find a mask or make it a In the United States, it is not true in all countries of the world, especially those with fewer resources. To adviseUNIVERSAL MASK In a place where it is impossible to adhere to this direction could harm the reputation of WHO in these countries, Schaffner said.

After all, many developing countries have a difficult periodProvide IPI with key health care workers, so that the previous guidelines of WHO were intended to give the leaders of medical and public health priority on the masks.

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In his ad, Ghebreyesus has clearly stated that "masks alone will not protect you from Covid-19."

Masks are not a replacement for physical distancing, hands hygiene and other public health measures. Masks only benefit from a global approach in the fight against Covid-19. The cornerstone of the response in each country must be to find, isolate, test and care of each case, to follow and quarantine each contact. That's what we know works. This is the best defense of all countries against Covid-19.

And for more information on facts and false on masks, see10 myths on the face masks you need to know.