Dr Julian Lewis:  To ask the Secretary of State for Health and Social Care, for what reason data on the number of people admitted to hospital with covid-19 more than three weeks after having been vaccinated against covid-19 (a) once and (b) twice is not being collected; and if he will take immediate steps to implement a system for the (i) collection and (ii) daily publication of that data.  [173990]

[Due for Answer on 13 April.]