Millions of Brits have got Covid as official data struggles to keep up with a rapid surge in infections.
Some 2.6 million are estimated to have the virus, according to the ZOE Health Study which uses testing and symptom data from millions of participating app users.
It puts new Covid-19 cases at 224,000 a day as of Tuesday. This is up 27 per cent on the 176,000 new daily cases a week earlier.