Full scale of Covid pandemic is unknown, data suggests, as one in four tests is positive in parts of London – Telegraph.co.uk

Some 95.9 per cent of English upper-tier local authorities had positivity rates above five per cent in the week to Dec  25 (143 of 149). 
In London, positivity rates hit 18 per cent by Christmas Day, and 11.4 per cent across England as a whole. 
Nationally, it is the highest rate since late April, when the testing regime was still below 100,000 a day. By mid-December more than 400,000 tests have been conducted each day, on average.
Prof Hunter said it was an indication the virus was “out of control”…

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