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A comment on Japan's PM to ask all schools to temporarily close. Parent comment
Even then you need to make sure the mask fits. In hospitals, they do tests to find the right fit for nurses and doctors to check airflow.
They can be a good tool in certain situations, but random people placing a bunch of faith in them over other solutions is probably not helping.
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Even then you need to make sure the mask fits. In hospitals, they do tests to find the right fit for nurses and doctors to check airflow.
They can be a good tool in certain situations, but random people placing a bunch of faith in them over other solutions is probably not helping.