Worth noting that this represents 607,559 COVID-19 tests with 226 positives, giving a positive rate of 0.0372% Even if EVERY TEST was a false positive, that gives a specificity of ~99.96%https://twitter.com/GidMK/status/1319084436630073344 …
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The only context where “most COVID-19 positive tests are false positive” is when community transmission eliminated a la NSW for several wks May-Jun. Let’s hope we ca restore that myth, at least locally.
Hahaha yes I believe you're right. During that period I remember 1 or 2 false positives, and since we had 0 true positives...
Nice point. The other point is that if all these positives were really picking up old fragments then it sets an upper bound on cases, largely contradicting the "already at herd immunity" narrative in most areas.
The term false positives is a bit misleading, there is a lot to unpack there, some of it pure bullshit, other I haven't managed to refute yet... 1/x
One particular scenario that sounds plausible is that as the symptomatic infections rise, they go and get tested; then contact tracing tests people without symptoms - and a lot of them still have viral remnants from when they were infected a few months back.
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