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A comment on YouTube bans coronavirus-related content that directly contradicts WHO advice. Parent comment
There were enough surgical masks
You could double or triple them up if you thought they were not effective enough
The velocity of a particle that could get through that would not be enough to infect a person two feet in front of you
This should be obvious
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There were enough surgical masks
You could double or triple them up if you thought they were not effective enough
The velocity of a particle that could get through that would not be enough to infect a person two feet in front of you
This should be obvious