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A comment on Doctors are tweeting about coronavirus to make facts go viral. Parent comment

Re:Doctors are tweeting about coronavirus to make facts go v... by pmorici on Friday May 15, 2020 @08:02PM (#23198992)
Masks made from commonly available fabrics were found to have similar filtration efficiency to N95 certified masks.

[0] https://pubs.acs.org/doi/10.1021/acsnano.0c03252

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Re:Doctors are tweeting about coronavirus to make facts go v... by trhway on Friday May 15, 2020 @08:16PM (#23199086)
you need to tell that to those picky Canadians (https://www.cbc.ca/news/politics/n95-masks-rejected-montreal...), healthcare workers and everybody else who wants N95.
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