Part of Influenza vaccinations 2023-24: Cohort identification methodology
Data sets
Age based cohorting
- 2 to 3 years of age on 31 August 2023
- 4 to 16 years of age on 31 August 2023
- 65 years of age and over on 31 August 2023
This document outlines NHS England’s Cohorting as a Service's approach to deliver this cohort using established methodologies. It also highlights any divergence from the clinical criteria held within Chapter 19 of the Green Book and associated assumptions.
Data sets used
Demographics
All those aged 6 months or older in the clinical risk groups shown in Table 19.4, Chapter 19 of the Green Book.
Last edited: 20 September 2023 1:34 pm