Guidance

Vaccination of individuals with uncertain or incomplete immunisation

One-page summary for health professionals and immunisation practitioners giving vaccinations.

From:
UK Health Security Agency
Published
1 September 2013
Last updated
9 July 2025 — See all updates

Applies to England

Documents

Vaccination of individuals with uncertain or incomplete immunisation status: from 1 July 2025

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Vaccination of individuals with uncertain or incomplete immunisation status: from 1 July 2025 (print version)

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Details

This single page reminder based on Immunisation against infectious disease: the Green Book helps health professionals vaccinate people correctly to protect them and their families from disease.

An equivalent screening algorithm is available to download.

The algorithm for use from 1 July 2025 reflects the changes to the childhood immunisation schedule from this date. For further information about these changes, see Changes to the routine childhood schedule 1 July 2025 and 1 January 2026.

Updates to this page

Published 1 September 2013
Last updated 9 July 2025 show all updates

  1. Withdrawn the algorithm from 1 September 2024.

  2. Added 'Vaccination of individuals with uncertain or incomplete immunisation status: from 1 July 2025' text and print versions.

  3. Updated to reflect the introduction of RSV programmes from 1 September 2024.

  4. Removed 'Vaccination of individuals with uncertain or incomplete immunisation status: up to 31 August 2023'.

  5. Added 'Vaccination of individuals with uncertain or incomplete immunisation status: from 1 September 2023'.

  6. Updated algorithm.

  7. Updated section 8 - human papillomavirus vaccine.

  8. Added revised flowchart.

  9. Added 'Vaccination of individuals with uncertain or incomplete immunisation status (valid from 1 January 2020)'.

  10. Updated algorithm with revised wording for eligibility in HPV section.

  11. Added details on HPV universal and MMR programmes.

  12. Revised recommendation to only start course of rotavirus vaccine if child is under 15-weeks-old.

  13. Updated to reflect the introduction of the DTaP/IPV/Hib/HepB vaccine and other minor clarifications.

  14. Updated to clarify advice on MenB vaccine for children born on or after 1 July 2015.

  15. Updated algorithm: Vaccination of individuals with uncertain or incomplete immunisation status (effective from July 2016).

  16. Updated to include changes to meningococcal vaccine recommendations and dates of birth for flu and shingles vaccine eligible cohorts.

  17. Revised sections on MenC and HPV vaccine recommendations for those over 10 years of age and updates on the dates of birth for those eligible for flu and shingles vaccines.

  18. First published.

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