You seriously need to take a microbiology course before proclaiming the obedience mask work.
Hell, Sunshine, even the box the masks come in state they are not effective against a virus
PhD Chemist. Background in biowarfare research. Said research involved capturing bioaerosols for analysis. Technology currently in use nationwide by DOD. The tech works for spores, bacteria, AND VIRUSES.
I understand filtration of bioaerosols quite well.