Everyone needs to download the Government document: SPI-M-O Summery of further modelling of easing restrictions - Roadmap Step 2 and pay particular attention to Page 10 paragraph 32 which states "The resurgence in both hospitalisations and deaths is dominated by those that have received two doses of the vaccine, comprising around 60% and 70% of the wave respectively. This can be attributed to the high levels of uptake in the most at-risk age groups, such that IMMUNISATION FAILURES ACCOUNT FOR MORE SERIOUS ILLNESS THAN UNVACCINATED INDIVIDUALS. ". UK Government document updated 31st March 2021!
https://www.gov.uk/government/publications/spi-m-o-summary-of-further-modelling-of-easing-restrictions-roadmap-step-2-31-march-2021