Public Health

Public Health, Health Service Executive, Republic of Ireland

About us 

An overview of who we are and what we do.


An overview of the Medical Officer of Health legislation.

Contact us 

Contact details for Public Health in each of the HSE Health Regions.

Protecting Health

  • An overview: Some of the ways in which we intervene to protect the public from exposure to health-damaging hazards.
  • Infectious Diseases: Including - notifying, investigating & preventing infectious diseases.
  • Environment & Health: Including - water quality; air quality; risks from biological, chemical and radio-nuclear hazards.
  • Extreme weather events: Information and advice about flooding, cold weather and heatwaves.

Improving health

Gathering the evidence on how the health of the public can be improved, and working towards making better health available to all.

Health service improvement

Evaluating and improving the effectiveness and efficiency of healthcare and implementing service development. This Population Profile Visual Display is available to assist planning of interventions, particularly those that wish to target disadvantaged and marginalised groups.


Finding what we can do to keep healthy, and what is most likely to help us get back to health when we are ill.


Departments of Public Health publications on Lenus (The Irish Health Repository) - this collection continues to be updated.

Public health topics