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@joelle_emerson ("Joelle Emerson") retweeted:
@jonlevyBU ("Jon Levy") wrote:
1. In the coming weeks, you will be in a room with someone with #COVID19. But that doesn’t mean you will get infected. The dose makes the poison, so your goal is to reduce your dose as much as possible.
How do you do that? TL;DR - #BetterMasks, ventilation, and filtration 🧵