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Face shields and valve masks are ‘ineffective’ claims new study – Euro Weekly News
While some health experts have promoted face shields and valve masks to combat the spread of Covid-19, a new study has shown they are ineffective at
While some health experts have promoted face shields and valve masks to combat the spread of Covid-19, a new study has shown they are ineffective at containing the killer virus.
TO increase public awareness about the effectiveness of face shields and face masks with exhalation valves, researchers from Florida Atlantic Universitys College of Engineering and Computer Science used qualitative visualisations to test how they perform in preventing the spread of aerosol-sized droplets.
For the study…
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