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| Path | csiph.com!eternal-september.org!reader02.eternal-september.org!.POSTED!not-for-mail |
|---|---|
| From | Richard Heathfield <rjh@cpax.org.uk> |
| Newsgroups | comp.programming |
| Subject | Re: Covid test regime algorithm |
| Date | Fri, 8 Jan 2021 19:01:08 +0000 |
| Organization | Fix this later |
| Lines | 32 |
| Message-ID | <rtaa5l$jte$1@dont-email.me> (permalink) |
| References | <c4b26223-93af-4ac7-a7b0-69056c3f82d4n@googlegroups.com> <rt9vp2$f40$1@dont-email.me> <rta5gl$5ev$2@dont-email.me> |
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On 08/01/2021 17:41, David Brown wrote: > On 08/01/2021 17:03, Richard Heathfield wrote: >> On 08/01/2021 12:54, Malcolm McLean wrote: >>> When testing large numbers of people for Covid, and expected cases are >>> fairly low, you can reduce the number of test required by pooling >>> samples. You then take the pools which test positive and do further >>> tests to identify the posiitve patients. Pools which test negative are >>> known to have no positive cases. >> >> With false negative rates of anything up to 25% (ref: >> <https://www.bmj.com/content/371/bmj.m4851/rr-0>), that's a somewhat >> optimistic claim. >> > > Aren't those false negative rates are for antibody tests (to see if you > have had it), rather than the tests for the virus proteins (to see if > you are carrying it now) ? No. "A false-negative case of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection is defined as a person with suspected infection and an initial negative result by reverse transcription-polymerase chain reaction (RT-PCR) test, with a positive result on a subsequent test." <https://www.medrxiv.org/content/10.1101/2020.04.16.20066787v2> -- Richard Heathfield Email: rjh at cpax dot org dot uk "Usenet is a strange place" - dmr 29 July 1999 Sig line 4 vacant - apply within
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Covid test regime algorithm Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2021-01-08 04:54 -0800
Re: Covid test regime algorithm David Brown <david.brown@hesbynett.no> - 2021-01-08 16:39 +0100
Re: Covid test regime algorithm Richard Heathfield <rjh@cpax.org.uk> - 2021-01-08 16:03 +0000
Re: Covid test regime algorithm David Brown <david.brown@hesbynett.no> - 2021-01-08 18:41 +0100
Re: Covid test regime algorithm Richard Heathfield <rjh@cpax.org.uk> - 2021-01-08 19:01 +0000
Re: Covid test regime algorithm David Brown <david.brown@hesbynett.no> - 2021-01-08 20:14 +0100
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