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