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Part of COVID-19 spring 2024 campaign: Cohort identification methodology

Eligible cohorts for spring 2024 COVID-19 vaccination

Current Chapter

Current chapter – Eligible cohorts for spring 2024 COVID-19 vaccination


The following clinical at-risk groups within scope of this digital cohort development will receive invitations to present for a COVID-19 spring 2024 vaccination (as specified by NHS England) are:

Adults aged 16 years and over diagnosed with:

  • immunosuppression

Children 6 months to and 15 years inclusive diagnosed with:

  • immunosuppression

Age based cohorting:

  • people aged 75 years or over before 30 June 2024

The clinical at-risk groups within scope of this digital cohort development (as specified by NHS England) are:

Adults aged 16 years and over diagnosed with:

  • chronic respiratory disease
  • chronic heart disease and vascular disease
  • chronic kidney disease
  • chronic liver disease
  • chronic neurological disease
  • diabetes mellitus and other endocrine disorders
  • immunosuppression
  • asplenia or dysfunction of the spleen
  • morbidly obese
  • severe mental illness

Children 6 months to 15 years inclusive diagnosed with:

  • chronic respiratory disease
  • chronic heart conditions
  • chronic conditions of the kidney, liver, or digestive system
  • chronic neurological disease
  • endocrine disorders
  • immunosuppression
  • asplenia or dysfunction of the spleen
  • serious genetic abnormalities that affect a number of systems

Age based cohorting:

  • People aged 75 years or over before 30 June 2024

This web page outlines NHS England’s Cohorting as a Service's (CaaS) approach to deliver this cohort using established methodologies. It also highlights any divergence from the clinical criteria held within tables 3 and 4 of Chapter 14a of the Green Book and associated assumptions.


Last edited: 26 March 2024 11:23 am