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A rapid coronavirus test at the heart of Boris Johnson’s mass-testing strategy missed more than 50% of positive cases in an Operation Moonshot pilot in Greater Manchester, the Guardian can reveal.
The 20-minute tests, on which the government has spent £323m for use with hospital and care home staff with no symptoms, identified only 46.7% of infections during a crucial trial in Manchester and Salford last month.
The Zoe Covid Symptom Study app, run by King’s College London, suggests there were 42,049 daily new symptomatic cases of Covid-19 in the UK on average over the two weeks to November 1 (excluding care homes).
Researchers behind the study said the UK reproductive value – the R rate – is currently 1.0, and 1.0 in England.