NHS Covid-19 app had asked 1.7million people to isolate since its September launch

MORE than 1.7million people have been asked to isolate via the NHS Covid-19 app since it launched in September.

Research suggests the technology has so far prevented 600,000 virus cases.

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It has identified 253 venues as “at risk” due to outbreaks since December 10 — pinging “warn and inform” alerts to users who had checked in using posters with a QR code.

The Department of Health said England and Wales’ Covid app had been downloaded 21.63million times, equating to 56 per cent of the population.

Prof Christophe Fraser, of the University of Oxford, said that for each increase in users of one per cent of the population, the number of cases can be driven down by 2.3 per cent.

He added: “The epidemiological outlook remains concerning, and using the app can contribute to reducing infections until we are all vaccinated.”


Health Secretary Matt Hancock called it an important tool in the UK’s pandemic response.

He said: “Isolating and knowing when you’ve been at risk of catching coronavirus is essential to stopping its spread.”

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