All new HIV diagnoses Northern Ireland
New HIV diagnoses in Northern Ireland, 2018-2021
Data shown split by local authority
The total number of new HIV diagnoses in Northern Ireland, 2022
About this visualisation
The data measure all new HIV diagnoses. People can live with undiagnosed HIV infection for many years. This means that new HIV diagnoses are not necessarily infections that have been recently acquired.
Breakdown: age, exposure, ethnicity (where available), and geographic region of diagnosis.
These data measure all new HIV diagnoses including people who were previously diagnosed abroad prior to UK arrival. People can live with undiagnosed HIV infection for many years. This means that new HIV diagnoses are not necessarily infections that have been recently acquired. New diagnoses must be interpreted together with trends in HIV testing.
Breakdown: age, exposure, ethnicity (where available), and geographic region of diagnosis.
FAQs
Does a decline in new HIV diagnoses mean a drop in incidence?
Incidence is defined as the number of new cases acquired within a given year. A person can live with HIV without symptoms for a very long time: this means new cases of HIV may remain undiagnosed for many years. For this reason, HIV incidence is estimated using mathematical models.
The number of new HIV diagnoses is the number of people who are diagnosed with HIV in a given year. It can provide an insight into incidence together with information on HIV testing (e.g. the more testing that’s done, the higher the chance of people being diagnosed).
Does this include diagnoses made outside of sexual health settings?
Data on new diagnoses from the UK Health Security Agency are comprehensive and include any site where a diagnosis of HIV is made. For example, in-patient care, antenatal settings, and community and STI clinics.
Are people who were diagnosed abroad included as a UK diagnosis?
Yes. Currently, new diagnoses include anyone who is diagnosed in the UK for the first time regardless of whether they were diagnosed in another country before coming to the UK. About 35% of newly diagnosed people in 2022 had been previously diagnosed abroad.