COVID-19: POR QUÉ TODOS DEBEMOS USAR LAS MÁSCARAS – HAY UNA NUEVA JUSTIFICACIÓN CIENTÍFICA
The surgeon general tweeted: “STOP BUYING MASK, they are not effective…”. The Center for Disease Controls (CDC) states that surgical masks offer far less protection than the N95 respirator masks (which also must be perfectly fitted and only professionals can do it). The CDC recommends that healthy...
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