The primary action of hand-sanitizer is through alcohol, which (at concentrations over 60%) is highly effective at destroying enveloped viruses, like COVID-19. Just make sure you let the alcohol air-dry. Signed, A board-certified medical laboratory scientist w/ 12 years exp https://twitter.com/jasminjoestar/status/1234255856926986241 …
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I'll see your "pretty sure" and raise you an "entirely sure".
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Yup and easily repopulates. It will however make it harder/slower to make Kimchi and sauerkraut by hand.

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Commensal skin flora do you a role in protecting the body— They discourage the skin from getting colonized by more pathogenic microbes. However, that has nothing to do with coronavirus, literally everything else this idiot said is a bunch of hogwash and he should really sit down.
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