These people you list do not engage in rational debate, they feed information to trolls and bots to distribute.
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Some people like to say that as prevalence in the community increases, so too does the false positive rate, which is not entirely untrue - most false positives in PCR are due to cross-contamination and this becomes more common as case numbers rise...
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...but the obvious fact here is that this REQUIRES CASE NUMBERS TO RISE. So yes, in a massive epidemic where labs are overwhelmed you may see a lower specificity, but as the % positive rises specificity matters less and less
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And in Wuhan they ran 10 million and only found a few hundred. There really isn't a false positive problem as Clare Craig is constantly banging on about
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You know it's deceptive the second they don't mention false negatives as a higher priority.
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