What does the 'R' number of coronavirus mean? – video explainer

Words: Kate Proctor, Nicholas Williams, Simon Roberts, Maheen Sadiq and Katie Lamborn - The Guardian - 15:38 12-05-2020

The 'R' number of coronavirus is a figure that is being closely scrutinised as ministers decide when to end lockdown in the UK. Boris Johnson has said the country must keep the R rate below one in order to avoid the disaster of a second peak. But what does the R number mean and why is it important? Kate Proctor explains why the government is keeping a close eye on it and what it signifies

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