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Although at the start of the coronavirus World Health Organization (WHO) announced that it was not necessary to use chin straps or masks, then it was rectified and said that use prevents possible contagion and now authorities in several countries are recommending people to buy better chinstrap to protect them from Covid-19.
Currently, there is an almost general consensus on the importance of using jugular accompanied by social distancing. Wearing it in many parts of the world is compulsory and not having it in public places can lead to penalties because of numerous contagions of coronavirus come from asymptomatic people who do not know they are infected.
As the pandemic progressed, we stopped using chin strap or mask to use homemade products then buy some almost industrial ones and now the recommendation is to try to use the best possible even some of the quirrgicos since now they are not lacking and could not become rare as at the beginning of the imprisonment.
A jugular of cotton protects much less than one quirrgicoHowever, if the only option the person has is with a cloth, it is best to have multiple layers. There are also those who come from cotton and polyester, they protect better. In terms of efficiency, fabrics have an efficiency of 30% while a scarf only 10%.
the surgical masks It is 60% effective in preventing infections and those that are used for construction which protect against dust or strong odors, although they resemble those used by doctors and nurses, they also do not offer good protection to prevent the expansion of the Covid-19.
In the United States, for example, the best masks offered by the market are N95 which can filter infectious particles 95%. Their equivalents in another part of the world are KN95, which are made in China, or FFP2, that come from Europe, but specialists warn that many of those that are promoted in the market as N95 or its equivalents they can be wrong.
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