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08-10-2020, 12:06 PM
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Sage
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Join Date: Aug 2009
Location: NJ, NM, SC, PA, DC, MD, VA, NY, CA, ID and finally FL.
Posts: 7,850
Thanks: 14,293
Thanked 5,090 Times in 1,947 Posts
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Surprise! All masks are not equally effective.
Here are the results of a Duke study. My philosophy is to wear a mask that will best do the job required and wear it when necessary. https://advances.sciencemag.org/cont...abd3083_SM.pdf
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"No one is more hated than he who speaks the truth." Plato
“To argue with a person who has renounced the use of reason is like administering medicine to the dead.” Thomas Paine
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