By this point with B.1.1.7 (~8-10 weeks post-introduction)

We were seeing a much wider dispersion of cases

And of course much higher case rates generally

This is cause for optimism that vaccines are indeed slowing and in some populations halting the spread of #COVID19 pic.twitter.com/V2SA0g7gzJ

— Meaghan Kall (@kallmemeg) June 11, 2021