Sexually transmitted infections

The most comprehensive source of data on sexually transmitted infections in Northern Ireland is provided by the five genito-urinary medicine (GUM) clinics in Belfast, Coleraine, Londonderry, Newry and Downpatrick.

Data are recorded on gender, age and male sexual orientation for certain infections. Area of residence is not recorded.

Surveillance arrangements for HIV/AIDS infection are based largely on the confidential reporting of HIV infected individuals to the Public Health England’s Centre for Infections in London.

There are two main outputs:

  • Data relating to individuals whose first diagnosis was made in Northern Ireland.
  • Data relating to individuals who accessed Northern Ireland-based HIV services, published as annual reports of the Survey of Prevalent HIV Infected cases (SOPHID).

PHE data


 HIV surveillance reports:    

HIV  Report 2020 tables and charts (2019 data)

HIV report 2019.pdf


STI surveillance reports:

STI Surveillance Report 2020 (2019 data).pdf

STI surveillance report 2019 (2018 data).pdf

STI Report 2019 tables and charts (2018 data).pptx

STI data:

Jan - Mar 21.pdf

Number of new episodes 2010-2019.pdf

Rates of new episodes 2010-2019.pdf