2 ms·

Surgical masks are roughly 6 times better than nothing. https://www.ncbi.nlm.nih.gov/pubmed/23498357 https://www.ncbi.nlm.nih.gov/pubmed/23498357 I have also

by verroq 7y ago

Surgical masks are roughly 6 times better than nothing. https://www.ncbi.nlm.nih.gov/pubmed/23498357 https://www.ncbi.nlm.nih.gov/pubmed/23498357 I have also worn N95 masks and they aren't as uncomfortable as you describe.