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Hiku said:
JWeinCom said:

Although, I'd question the 0% part. Might be a slight exaggeration. 

It is. Take all the numbers there with a grain of salt, but it's a decent picture of the general idea.

Even if it's half as effective, it'd still be worth it. People are challenging the idea that viruses can travel through exhaled air. It's on par with the flat earth movement.