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UK R number rises again

Earlier, we reported that coronavirus cases in England have risen by 50% in a week.

Now, government data shows the reproduction rate of the virus – or R number – across the UK has also increased.

Data released by the Government Office for Science and the Scientific Advisory Group for Emergencies (Sage) shows the estimate for R for the whole of the UK is between 1.3 and 1.5. 

Last week, the R number was between 1.2 and 1.5. 

R represents the average number of people each Covid-19 positive person goes on to infect. 

When the figure is above 1, an outbreak can grow exponentially. 

An R number between 1.3 and 1.5 means that on average every 10 people infected will infect between 13 and 15 other people.Article share tools

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