The 1st 2 weeks of school testing did find MORE FALSE POSITIVES than TRUE POSITIVES - data are finally public.
Proportion false were 62% and 55% in these 2 weeks. Of 2304 positive tests, 1353 were likely false, with 1 positive per 6900 tests done.
Proportion false were 62% and 55% in these 2 weeks. Of 2304 positive tests, 1353 were likely false, with 1 positive per 6900 tests done.
Remember that the law made kids, teachers, families and bubbles had to isolate for 10 days even when the PCR came back negative, despite the @RoyalStatSoc spending days trying to explain the issues to @DHSCgovuk.
Never ever say tests don't do harm.
Never ever say tests don't do harm.
To be clear as some still can't see the problem. 2 weeks testing in every school only found 954 true cases. To find each one used 6884 tests (cost £144,564) and 1.4 false negatives were put into unnecessary isolation with bubble and family- 500 person days if a bubble affected 36
Thats £138M to find less than 1000 cases, and probably around 675,000 person days of avoidable isolation. Plus all the inconvenience schools were put through.
I seriously can't fathom how anybody can argue that this is a sensible way to run a testing programme.
I seriously can't fathom how anybody can argue that this is a sensible way to run a testing programme.
Of course "false negative" in that tweet should be "false positive".
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