bit, there was never any lockdown, but certainly a very, very different response. and then one of the other key differences is sort of the vaccination programs, sort of when people were vaccinated, and who, in a way, the u.k. was sort of punished for getting ahead of vaccinations so early. explain that for us. yes, so waning immunity is definitely another factor that might explain some of the differences, and may explain how the u.s. may respond as a country to the oncoming omicron surge. and the u.k. was very, very good at vaccinating very, very quickly, and early on, and of course, there were different vaccines used, it was astrazeneca, with pfizer, in the u.s., it was merely an mrna country with moderna and a little bit of j&j, a sprinkling, but that was done much more gradually and later. so when you come to summer time,