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Have I misunderstood something? You know more than me but I figured that if you test a bunch of people who are all in contact then you'll get a better idea of what's going on looking at a group of people that have been tested rather than one. Although I think 1 positive test will shut down a year anyway.
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Given that the total positive rate in schools is 0.05% (2,588/4.6M), the false positive must be even lower than that Tom Chivers
snottyotter
Sifta
@Chalfie
We need someone to explain that false positive thing again.
We are testing more. We're about to look at the schools testing.
We need to look at the positivity of these compared to the postivity of the PCR tests.