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Researchers rank various mask protection, modifications against coronavirus

Scientists researched the protectiveness of various kinds of consumer-grade and modified masks, assuming the wearer was exposed to the novel coronavirus, like when we interact with an unmasked infected person.

https://ift.tt/eA8V8J from Hindustan Times - topnews https://ift.tt/37aVw3q
Scientists researched the protectiveness of various kinds of consumer-grade and modified masks, assuming the wearer was exposed to the novel coronavirus, like when we interact with an unmasked infected person.