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A comment on Miscalculation at every level left U.S. unequipped to fight coronavirus. Parent comment

Re:Miscalculation at every level left U.S. unequipped to fig... by JoeAltmaier on Thursday April 30, 2020 @08:15AM (#23029999)
The 'marginal benefits' have been studied and are around 90% effective. Quit spreading negativity please. Its pointless, and gains you only imaginary internet points.
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Re:Miscalculation at every level left U.S. unequipped to fig... by DanBC on Thursday April 30, 2020 @03:38PM (#23035170)
> and are around 90%

90% what?

It makes no sense to claim "90% effective".

90% reduction in numbers of people infected? Of droplets inhaled? Of droplets exhaled?

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Re:Miscalculation at every level left U.S. unequipped to fig... by JoeAltmaier on Thursday April 30, 2020 @05:19PM (#23036266)
Something like 90% of people with a mask, any mask, not infected after sharing space for an hour or two with sick people. In an airplane. Pretty solid protection.
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