Face shields and valve masks 'do not stop the spread of Covid-19' research claims
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mirror.co.ukFace shields and masks with exhalation valves do not stop the spread of Covid-19, according to new research. Cloth and surgical masks are better at protecting people against the spread of coronavirus than plastic face shields and valve masks, scientists suggest.
The study found it may be better to use high quality cloth or surgical masks that are plain in design to help fight the spread.
As infections surge worldwide, face masks have become increasingly accepted as an effective means for combatting Covid-19 along with social distancing and hand washing.
Increasingly more people are turning to clear plastic face shields and masks with breathing valves as a more comfortable option.
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