Browsing División de Nanociencias y Materiales by Subject "SARS-COV-2"
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Why Nose and Mouth Coverings are Highly Recommended to Impede SARS-Cov-2 Spread
(Walsh Medical Media, 2021)"In fourteen months the number of infected people with SARS-COV-2 has reached more than 159 millions and from those more than 3 million have resulted in death. There is now a consensus that the airborne saliva droplets, ...