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Covid-19: Researchers show masks do block coronavirus, but not perfectly

Japanese researchers showed that masks can offer protection from airborne coronavirus particles, but even professional-grade coverings can’t eliminate contagion risk entirely.

https://ift.tt/eA8V8J from Hindustan Times - topnews https://ift.tt/34jHnj3
Japanese researchers showed that masks can offer protection from airborne coronavirus particles, but even professional-grade coverings can’t eliminate contagion risk entirely.