Re: Covid test regime algorithm

From	David Brown <david.brown@hesbynett.no>
Newsgroups	comp.programming
Subject	Re: Covid test regime algorithm
Date	2021-01-08 20:14 +0100
Organization	A noiseless patient Spider
Message-ID	<rtaats$qjr$1@dont-email.me> (permalink)
References	<c4b26223-93af-4ac7-a7b0-69056c3f82d4n@googlegroups.com> <rt9vp2$f40$1@dont-email.me> <rta5gl$5ev$2@dont-email.me> <rtaa5l$jte$1@dont-email.me>

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On 08/01/2021 20:01, Richard Heathfield wrote:
> 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>
> 

Sorry - I was mixing up with the false positive rates.

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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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