In the UK kids do *not* get vaccinated unless in high risk group. Most of EU already gives Pfizer to 12+.

"There is growing evidence that -- for whatever reason (higher viral loads, something different about how the virus is handled by less mature immune systems, or something else), children infected by the Delta variant may develop a more severe form of the disease compared to illness caused by other forms of the virus."
#COVID19

https://edition.cnn.com/2021/08/02/opinions/worrisome-thing-about-delta-variant-sepkowitz/index.html