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Explained in plain English

How are cases counted now?

Since the end of free universal Covid testing in the UK in April 2022, official case numbers are largely estimates. They are based on data from sources like the Office for National Statistics' infection survey, hospital admissions, and wastewater surveillance, rather than comprehensive individual testing.

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UK Covid cases up 230% as new autumn variant spreads

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What did Covid cost the UK? Why do new variants spread? Who is the UKHSA? What is a 'case' count? Why are cases increasing? Why do cases rise in winter? Why are cases rising now? Why are cases rising so fast?

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