But across England, fewer than one in 14 new Covid cases are among the at-risk 60 and over age group, with people under 30 accounting for half of all cases in the seven days to 11 May.
But is it the same picture in Doncaster?
We have crunched the latest numbers from the UK government coronavirus dashboard to reveal which age groups are seeing the highest number of cases.
The figures refer to the total number of cases, not the rate per head of the population.
Of the 132 recorded in Doncaster between 5 and 11 May, the top 10 worst affected age groups are as follows:
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1. 10 to 14 year olds
People aged 10 to 14 accounted for the highest number of cases between 5 and 11 May, with 25 or 18.9% of the total.
Photo: TONY JOHNSON
2. 20 to 24 year olds
People aged 20-24 accounted for the second highest number of cases between 5 and 11 May, with16, or 12.1% of the total.
Photo: Chris Lawton
3. 25 to 29 year olds
People aged 25 to 29 accounted for the third highest number of cases between 5 and 11 May, with 15, or 11.4% of the total.
Photo: Brian Eyre
4. 15 to 19 year olds
People aged 15-19 accounted for the fourth highest number of cases between 5 and 11 May, with 14, or 10.6% of the total.
Photo: Steve Parkin