Path: csiph.com!eternal-september.org!reader02.eternal-september.org!.POSTED!not-for-mail From: Richard Heathfield Newsgroups: comp.programming Subject: Re: Covid test regime algorithm Date: Fri, 8 Jan 2021 16:03:46 +0000 Organization: Fix this later Lines: 12 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Fri, 8 Jan 2021 16:03:46 -0000 (UTC) Injection-Info: reader02.eternal-september.org; posting-host="4af7ae8d5580edc504ac0491183c71db"; logging-data="15488"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/QBDtKXelrqv3lwkfF2oki7UKSaK+NPqbMfrCn47u/IA==" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 Cancel-Lock: sha1:jDuCrVMGAyuZ4B3z95nhEwQi744= In-Reply-To: Content-Language: en-GB Xref: csiph.com comp.programming:11731 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: ), that's a somewhat optimistic claim. -- 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