To Stop COVID, We Must Clean Up Our Air
Medicine and the Machine
00:00
Can Masking Reduce the Risk of COVID?
Two-way masking reduces the amount that gets into the air, and it helps reduce the amount that you breathe in from the air around you. That will work really for any virus that's in the air, not just SARS-CoV-2, but also flu virus. And really probably most respiratory viruses. Can you still get sick with 10? Well, it depends on the virus. It depends on your immune system, some other factors. But you've reduced your exposure from 100 down to 10. So now there's 10 floating around in the air. You're wearing your mask, which is 90% effective, efficient. And so instead of breathing in 10, now you
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