Chapter 02 - General Immunisation Procedures
| Date of update | Key change |
| V1.1 02 October 2025 | Correction of typos. |
| V1. 14 August 2025 | Catch-up recommendations (diphtheria, tetanus, pertussis, polio, haemophilus influenza type B, hepatitis B and varicella) for those born on or after 1 October 2024, aged 4 months to <4 years. Additional information regarding delayed immunisation/late entrants to Irish healthcare system including catch-up schedules for unvaccinated or incompletely vaccinated persons. New recommendations about polio catch-up for those who have received oral polio vaccine. Recommendations: • NIAC Letter to CMO re. 4 in 1 minimum interval rationale • NIAC Letter to CMO re. Catch-up polio vaccination for people coming from countries using oral polio vaccine |