Vox.com: "Oh, and face masks? You can pass on them. Masks are only useful if you have a respiratory infection already and want to limit the risk of spreading, or if you're working in a hospital in direct contact with people who have respiratory illnesses." Deleted and sent down the memory hole today

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Masks do not block viruses. Even if you tend to spit a lot, the virus will go right through your mask, and it will just catch the spit.