m******e
发帖数: 1 | 1 主要是预防用手碰脸，很多人会习惯性地用手碰嘴巴。
同时可以预防其他人喷嚏和咳嗽时的唾液喷溅
不要指望口罩能高效预防病毒传染，但带总比不带好
Dr David Carrington, of St George's, University of London, told BBC News "
routine surgical masks for the public are not an effective protection
against viruses or bacteria carried in the air", which was how "most viruses
" were transmitted, because they were too loose, had no air filter and left
the eyes exposed.
But they could help lower the risk of contracting a virus through the "
splash" from a sneeze or a cough and provide some protection against hand-to
-mouth transmissions.
https://www.bbc.com/news/health-51205344 |
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