Chapter 11 - Influenza

Status: Updated on

Date of updateKey changes
V1. 23 June 2025Chapter extensively revised with new or updated information
on epidemiology, disease surveillance and recommendations.
Trivalent inactivated influenza vaccine replaced quadrivalent
inactivated influenza vaccine. New tables with categories of
risk groups replaced more detailed lists of risk groups.
(Tables 11.3 and 11.4).
V2. 03 July 2026Chapter revised with an updated structure and new or updated information on epidemiology, vaccine co-administration information and in relation to precautions and contraindications.
Immunisation Guidelines for Ireland
Recommendations and Advice
National Immunisation Advisory Committee