COVID-19

Research shows the most and least effective materials for face masks

The material of a mask can alter how effective it is against infection. Image: REUTERS/Arnd Wiegmann

Mikayla Mace
Science Writer, University of Arizona
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Mikayla Mace-Arizona
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A women selling a face mask. Image: PSNS & IMF/Flickr
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Infection risks reduce by 24-94% or by 44-99% depending on the mask and exposure duration. Image: Journal of Hospital Infection
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