The UK operational false positive rate is unknown. There are no published studies on the operational false positive rate of any national COVID-19 testing programme. An attempt has been made to estimate the likely false-positive rate of national COVID-19 testing programmes by examining data from published external quality assessments (EQAs) for RT-PCR assays for other … Continue reading Impact of false positives and negatives, 3 June 2020 – Government Office for Science