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Which is the most effective way to prevent the infection and spread of COVID-19?
(besides complete isolation, of course)

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spoiler (the answer) 

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The correct answer to the poll…

The most effective way to prevent the infection and spread of COVID-19 is by properly wearing a NIOSH-approved respirator when you are near other people or breathe air that may possibly be contaminated.

- N95 respirator > 95% efficient at stopping virus particles
- P100 respirator > 99.97% efficient at stopping virus particles
- FDA-approved vaccines ~ 50% two weeks after injection; 40% or less after 4 months, at preventing infection
- best cloth masks or surgical masks ~50-60% efficient at stopping virus particles
- typical cloth mask < 30% efficient
- hand-washing - not effective

N95 and P100 are NIOSH ratings for respirators
NIOSH (National Institute for Occupational Safety and Health)

spoiler (the answer) 

@Pat
I was going to say this as the answer:::

spoiler (the answer) 

@lucifargundam

I think leaving the planet is a form of commplete isolation...

But it would be effective (as long as you tested everyone on the ship before you left)

(Note: You'd need to test them for stupidity as well as COVID-19, for complete effectiveness against the pandemic.)

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