3 ms·
And repeated studies have failed to show that N95 masks reduce transmission more than surgical masks do. One of many studies: https://www.ncbi.nlm.nih.gov/pmc/
by Fomite 7y ago
And repeated studies have failed to show that N95 masks reduce transmission more than surgical masks do.
One of many studies: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4868605/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4868605/