A miscarriage of diagnosis
Old post from 28th November 2020, copied across from www.logicinthetimeofcovid.com
PCR testing for COVID aims to detect individuals who have a high likelihood of being infectious.
False positive test results have more than one cause in PCR testing and productive conversations about them require these categories to be distinguished.
The operational false positive rate refers to the rate of error across the whole process. This will vary…
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