Starting today, I'm blocking anyone who thinks science has proven face masks don't work.
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The science is clear. The covid19 is .3 microns in size. The only mask rated to filter something that size or smaller is the N95. Cloth masks are too porous to effectively trap something as small as a virus. I still wear my mask where it's mandated but I know it's pointless.
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The virus doesn’t travel on its own. It travels on respiratory droplets, which are plenty large enough to be filtered by cloth and surgical masks.
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