We can also see how the new B.1.1.7 variant is playing a key role.

Latest data from @covidgenomicsuk show that even in 5 days from Dec 17 to Dec 22, the share of sequenced samples that found the new variant was growing well beyond the south east, with hotspots in the north too. pic.twitter.com/hIjIH9oX0t

— John Burn-Murdoch (@jburnmurdoch) January 2, 2021