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A comment on Preliminary test results suggest 21% of NYC residents have Covid antibodies. Parent comment

Re:Preliminary test results suggest 21% of NYC residents hav... by greedo on Thursday April 23, 2020 @08:38PM (#22963359)
Be careful not to conflate CFR with IFR. CFR is the number of deaths divided by the number of confirmed cases. IFR is deaths divided by total infections. It's hard to determine IFR, but CFR is almost always an exaggeration of the risk.
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Re:Preliminary test results suggest 21% of NYC residents hav... by ineedasername on Thursday April 23, 2020 @11:01PM (#22964213)
Yes. Hiwever, it is valid to compare the CFR of one pandemic to the CFR of another pandemic if you find the CFR from the same relative point in time of that other pandemic.
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Re:Preliminary test results suggest 21% of NYC residents hav... by Symmetry on Friday April 24, 2020 @09:25AM (#22967682)
Yeah, but with the success of contact tracing in South Korea I'm assuming IFR is within a factor of 2 of the CFR or so.
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