Aerosol filtering efficiency of respiratory face masks used during the COVID-19 pandemic
Loupa, G.; Karali, D.; RAPSOMANIKIS, S.
Show abstract
The spread of the COVID-19 pandemic, effected the imposition of personal protection measures in a large number of countries. The use of commercially available personal face masks was widely accepted as such a protective measure. Since the quality of the face masks scanned the spectrum from surgical to the home made fabric ones, it was considered appropriate to experimentally establish their effectiveness for stopping aerosol in entering the respiratory system of the bearer. Presently, only eight masks were tested with polydisperse indoor air. Their effectiveness was examined for aerosol of aerodynamic diameters of 0.006 m to 10 m. Of these masks, only two were effective for the whole range of aerosol. Cloth masks were found to be ineffective for the assigned task.
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