About the National Immunisation Office

The National Immunisation Office is responsible for managing vaccine procurement and distribution, developing training and communication materials for the public and health professionals.

All information on Immunisation is evidence based and reviewed by a panel of immunisation experts from Royal College of Physicians of Ireland National Immunisation Advisory Committee to ensure it is scientifically accurate and is based on the Immunisation Guidelines for Ireland. The information on these pages is monitored and updated by a team of public health doctors who are members of the Royal College of Physicians of Ireland National Immunisation Advisory Committee and staff from the National Immunisation Office.

The site includes a facility to "ask a question". These queries are responded to as quickly as possible and the content of the website is updated if appropriate. All immunisation related queries are responded to by a member of the National Immunisation Office. All clinical queries are responded to by a member of our medical staff. Our staff profiles are available to view below. 

All those involved in the content of this site are employed by the HSE and do not receive funding from any external source.

The National Immunisation Office website was assessed by the World Health Organization (WHO) and passed their 'credibility and content good information practices criteria'. It is included in the WHO's list of vaccine safety websites.

The National Immunisation Office is entirely government funded and receives no funding from any external commercial source.


Mission Statement

The mission of the National Immunisation Office is to work with key stakeholders and support healthcare providers to maximise the uptake of all national immunisation programmes.

The National Immunisation Office provides strategic direction in support of a best practice based, equitable and standardised delivery of publicly funded immunisation programmes.


National Immunisation Office Staff and Editorial Team:

  • Dr Sean Denyer, Interim Director of the National Immunisation Office and is responsible for the coordination of all national immunisation programmes. 
  • Dr Tom Barrett, MB Dch MRCOG Senior Medical Officer is responsible for the development of protocols and guidelines for the schools immunisation programme.
  • Ms Cliona Kiersey,  BSc Pharm MPSI MSc (Pharm Med), Diploma in Leadership and Quality in Healthcare. Chief Pharmacist is responsible for overseeing all aspects of the National Cold Chain Delivery Service including vaccine procurement and contract management
  • Ms Mary Dowling, Diploma in Leadership and Quality in Healthcare, Diploma Healthcare Management is responsible for overseeing all business and financial aspects of the National Immunisation Office.
  • Ms Kerry Ryder, General Manager 
  • Ms Vicky McKenna, NICHIS project support is working on the implementation of the National Immunisation and Childhealth Information system and national administrator for the School Immunisation System (SIS).
  • Ms Yvonne Morrissey, Foundation in Business Analysis, Certificate in Data Visualisation, Certificate in Lean Manufacturing Tools, Diploma in Leadership and Quality in Healthcare, Diploma Website Design, Advanced Diploma Web Design and Website Development, BSc Ord Degree Health Science and Physiology, BSc Hons Public Health and Health Promotion. Communications Manager is responsible developing campaign materials, for maintaining the immunisation websites www.immunisation.ie, www.hpv.ie and www.hse.ie/flu and managing the twitter account @hseimm.
  • Mr Peter Darcy, Information Officer is responsible for managing the distribution of immunisation information materials for members of the public and health professionals.


We can be contacted at:

HSE National Immunisation Office,
Units 8-9 Manor Street Business Park,
Manor Street,
Dublin 7

Phone 01 8676108

Email immunisation@hse.ie



The information accessible through The Immunisation Website has been compiled from many sources that are not all controlled by the National Immunisation Office. While all reasonable care has been taken in the compilation and publication of the contents of this web site, the National Immunisation Office makes no representations or warranties, whether express or implied, as to the accuracy or suitability of the information or materials contained in this resource.

Access to and use of the information herein is entirely at the risk of the user. The National Immunisation Office shall not be liable, directly or indirectly, to the user or any other third party for any damage resulting from the use of the information contained or implied in the HSE Website.

The National Immunisation Office does not assume legal or other liability for any inaccuracy, mistake, mis-statement or any other error of whatsoever nature contained herein. The National Immunisation Office hereby formally disclaims liability in respect of such aforesaid matters.

The information contained within this site is of a condensed and general informational nature only and can change from time to time. It should not, by itself, be relied upon in determining legal rights or other decisions. Visitors to the site are advised to verify, by direct and live contact with the National Immunisation Office, any information on which they may wish to rely.
The National Immunisation Office has endeavoured to attribute copyright or other intellectual rights to the rightful owners where such course has been appropriate. Where any attribution has been missed or overlooked the National Immunisation Office, on being informed, will correct this omission.

By proceeding into the Immunisation Website you are accepting this disclaimer.

This section was updated on 7 August 2018