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Coronavirus: Screening

Question for Department of Health and Social Care

UIN 106934, tabled on 21 October 2020

To ask the Secretary of State for Health and Social Care, what recent estimate he has made of the proportion of covid-19 tests that are false negative.

Answered on

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:

https://www.gov.uk/government/publications/gos-impact-of-false-positives-and-negatives-3-june-2020

The briefing paper states that the UK operational false positive rate is unknown.