Doctor evokes a means which would protect better than a medical mask

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According to a Russian virologist, respiratory protective masks for construction sites are able to protect better than medical masks, because they also retain dust particles which are smaller than drops containing the virus, but both means are effective against Covid-19, reports Russian radio Govorit Moskva.



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https://fr.sputniknews.com/sante/202005311043874710-un-medecin-evoque-un-moyen-qui-protegerait-mieux-quun-masque-medical/

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