COVID-19: Measuring the effect of wearing a mask: Institute of Medical Science, University of Tokyo
COVID-19: The University of Tokyo
If you wear a mask as a countermeasure against the new coronavirus,
With the effect of suppressing the spread of the virus
The effect of reducing the inhaled virus
That both effects
A group such as the Institute of Medical Science of the University of Tokyo announced that it was confirmed in an experiment using an actual virus.Institute of Medical Science, University of Tokyo:
In a special laboratory where viruses do not leak
With a mannequin that emits a flying fly containing a virus
A mannequin that reproduces breathing and inhales air
Installed face to face,
We investigated the effect of the mask.results of the experiment:
If you wear a mask only on the suction side:
The amount of virus inhaled
Cloth mask reduces by 17%,
Surgical mask reduced by 47%
It decreased by 79% when wearing the N95 medical mask.If you wear a mask only on the side that emits the splash：
The amount of virus inhaled by the opposite mannequin is
Both cloth masks and surgical masks were reduced by more than 70%.
If both wear masks:
Although it had a considerable effect, it means that “it was not possible to completely prevent the inhalation of the virus.”
New Coronavirus | NHK News
https://www3.nhk.or.jp/news/html/20201022/k10012674851000.html
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