Welcome to the Public Health Agency

woman in glasses world aids day campaign

World AIDS Day: prevention key to stopping spread

Ahead of World AIDS Day on 1 December, the Public Health Agency (PHA) is highlighting the vital role that simple actions play in helping to prevent the spread of HIV.

About the Public Health Agency

The Public Health Agency (PHA) is a dynamic, multi-disciplinary organisation dedicated to improving and protecting the health of the population. As part of the health and social care family, we work closely with the Strategic Planning and Performance Group (SPPG) of the Department of Health (DoH), local Health Trusts (HSC Trusts), the Business Services Organisation (BSO) and the Patient Client Council (PCC), and other partners to drive meaningful change across Northern Ireland. 

Guided by our vision of a healthier Northern Ireland, our purpose is to protect and improve the health and social wellbeing of our population.  We are committed to reducing health inequalities through leadership, partnership, and evidence-based practice.

Latest news

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Latest publications

  • Harm reduction services for people who use drugs

    01 December 2025

    This leaflet provides information on harm reduction services in Northern Ireland. Harm reduction services aim to help and support people who use drugs, their families and the wider community. 

  • Factsheet: Legionnaires’ disease

    28 November 2025

    This factsheet discusses Legionnaires’ disease, an infection that can cause pneumonia. You can get this infection by inhaling droplets from contaminated water sources like air conditioning or hot tubs...

  • How are you feeling? (leaflet)

    28 November 2025

    This leaflet highlights the importance of looking after your mental health and encourages people to take the five steps to wellbeing.

     

All publications

Featured content

  • Measles infection in Northern Ireland monthly report. Measles is a systemic viral infection caused by the measles virus. For more information about measles please visit NI Direct | Measles.

  • Pertussis (whooping cough) in Northern Ireland monthly updates. Pertussis (also known as “whooping cough”) is a highly contagious but vaccine preventable bacterial respiratory disease that is usually caused by Bordetella pertussis.

  • COVID-19 genomics weekly report. This report describes and monitors the epidemiology of SARS-CoV-2 (the virus that causes COVID-19) variants in Northern Ireland.

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