The resurgence in both hospitalizations and deaths is dominated by those that have received two doses of the vaccine, comprising around 60 percent and 70 percent 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.”


http://SPI-M-O: Summary of further modelling of easing restrictions – Roadmap Step 2 Date: 31 st March 2021  

Section 32