Question to the Department of Health and Social Care:

To ask Her Majesty's Government what is the source of their figure that 500,000 adults in England are immunocompromised; whether figures for immunocompromised adults are collated at a UK level; and if so, what are the equivalent figures for (1) Northern Ireland, (2) Scotland, and (3) Wales.

The figure quoted was an early Departmental estimate of the size of the vulnerable immunocompromised cohort in England. This represented patients on the Shielded Patient List with conditions which can be associated with being immunocompromised. The Department is currently working to establish an updated figure for the size of the immunocompromised cohort in England. Information for Northern Ireland, Scotland and Wales is not held as this is a devolved matter.