Japanese researchers showed that masks can offer protection from airborne coronavirus particles, but even professional-grade coverings can’t eliminate contagion risk entirely https://t.co/GS7C7ihx6m— Reuters (@Reuters) October 22, 2020
Japanese researchers showed that masks can offer protection from airborne coronavirus particles, but even professional-grade coverings can’t eliminate contagion risk entirely https://t.co/GS7C7ihx6m