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World

Do the experts believe in the R number?

17 May 2020

3:27 AM

17 May 2020

3:27 AM

The R-number has been declared the most important metric in monitoring Covid in Britain. For young children to return to school in June, or for pubs to open in July, it is always linked to the rate of Covid transmissions – the R-number – staying below one. Above one is the danger zone: it means each infected person is infecting, on average, more than one other.

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