PCR tests have fewer false negatives than LFT tests. Still they have more false negatives than false positives. Two negatives in a row make the chance of a false negative extremely low.WFJ wrote: ↑Tue Jan 25, 2022 6:23 pmWhat possible use would more than one PCR have? Are false negatives due to testing errors a big problem? If not then a series of negative tests prior to the most recent tells you nothing.Herainestold wrote: ↑Tue Jan 25, 2022 6:02 pmWhy do we have these regulations? If we are trying to control infections, then insist on negative PCR tests (plural). Or close the borders.
If we are worried about foreigners taking up valuable NHS beds, insist on triple vaccination. Or close the borders.
I agree it is not going to go away. Ever. We do need to get it to a place where society can function and the NHS is not overwhelmed.
In some jurisdictions two negative PCR results were required to release people from quarantine. I think most have dropped that requirement by now
but it is worth reinstating.