To ask the Secretary of State for Health and Social Care, what recent estimate he has made of the proportion of covid-19 test results that are false positive.
This answer is the replacement for a previous holding answer.
18 November 2020
In June 2020 the Scientific Advisory Group for Emergencies published a briefing paper on the impact of false positives and false negatives in the United Kingdom’s COVID-19 reverse transcription polymerase chain reaction testing programme, which is available at the following link:
The briefing paper states that the UK operational false positive rate is unknown.