“But they’re “better than nothing and ‘show respect’”!”
Source:
https://www.businessinsider.com/anthony-fauci-wears-mask-symbol-what-you-should-be-doing-2020-5
“We must listen to the SCIENTISTS,” quoth Tuna Nan.
That’s science? Math is not their forte either.
Properly fitted N95 respirators for industrial use are capable of filtering out at least 95 percent of 0.3 micron size particles.
The SARS-CoV 19 virus diameter varied from about 60 to 140 nm.
(1 micron = 1000 nm)