THE QUESTION. " It could be a scarf, something you made at home, a bandana ." New York mayor Bill de Blasio asked city residents to cover their faces on Thursday when they leave their homes. Is this protection sufficient or even useful to guard against the new coronavirus?
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CHECK. In his speech, the mayor of New York clarified that it was not necessary to wear a professional mask. On the contrary, he insisted, " we do not want you to use the masks that emergency personnel and carers need ", and which it is not certain that they could be available in sufficient quantity until the end of the pandemic. The debate over wearing a mask is raging in the United States, but also in Europe. The head of the Chinese Center for Disease Control and Prevention, Gao Fu, explained in an interview with Science magazine that " the big mistake in the United States and Europe is that people
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