Thursday, 22 Oct 2020 12:47 PM MYT
TOKYO, Oct 22 — Japanese researchers showed that masks can offer protection from airborne coronavirus particles, but even professional-grade coverings can't eliminate contagion risk entirely. A cotton mask reduced viral uptake by the receiver head by up to 40 per cent compared to no mask. An N95 mask, used by medical professionals, blocked up to 90 per cent. However, even when the N95 was fitted to the face with tape, some virus particles still sneaked in.
“There was a synergistic effect when both the virus receiver and virus spreader wore masks,” the researchers wrote in a study published yesterday.
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