OHESI technical reports
These in-depth reports contain key findings, definitions, figures and data tables and are intended to support public health professionals, clinicians, health system planners, policymakers and the leadership of front-line organizations, as well as other engaged stakeholders.
HIV diagnoses in Ontario, 2019
This report describes, updates and expands on the trends in HIV diagnoses in Ontario over the past decade (2010-2019) with a focus on new HIV diagnoses in 2019. The report is in two parts, 1) an overall section with analyses by sex, age, HIV exposure category, race/ethnicity, and geographic location and 2) a priority population section, including five subsections that describe the epidemic within the respective five populations outlined as priorities for HIV programming in Ontario’s response to HIV.
Supplementary tables are available in a separate document:
HIV care cascade in Ontario 2018
This document describes overall trends in HIV cascade indicators between 2000 and 2018. The report has been compiled using a cohort of people diagnosed with HIV in Ontario, created using linked HIV diagnostic and viral load tests from public health laboratory systems.
HIV testing in Ontario, 2019
This report describes the trends in HIV testing in Ontario over the past decade (2010-2019), with a focus on HIV tests in 2019. The report includes analyses broken down by type of test (nominal, coded, and anonymous), sex, age, HIV exposure category, and geographic location (health regions), as well as information specific to rapid/point-of-care (POC) and prenatal HIV testing. New to this report are analysis by HIV test submitter type and by transgender identity and race/ethnicity (based on the new HIV test requisition implemented in 2018).
HIV testing in Ontario, 2018
This report describes the trends in HIV testing in Ontario over the past decade (2009-2018), with a focus on HIV tests in 2018. The report includes analyses broken down by type of test (nominal, coded, and anonymous), sex, age, HIV exposure category, and geographic location (health regions), as well as information specific to rapid/point-of-care (POC) and prenatal HIV testing.
Corrections were made to Figure 7.4 (on page 36) and Table 7.5 (on page 63) on February 2, 2021.
HIV testing in Ontario, 2017
This report describes the trends in HIV testing in Ontario over the past decade (2008-2017), with a focus on HIV tests in 2017. The report includes analyses broken down by type of test (nominal, coded, and anonymous), sex, age, HIV exposure category, and geographic location (health regions), as well as information specific to rapid/point-of-care (POC) and prenatal HIV testing.
New HIV diagnoses in Ontario, 2017
This report describes, updates and expands on the trends in HIV diagnoses in Ontario over the past decade (2008-2017) with a focus on new HIV diagnoses in 2017. It presents analyses by sex, age, race/ethnicity, geographic location and priority populations (i.e. subgroups of Ontarians who experience a higher risk of HIV).
HIV in Ontario by public health unit
This document describes HIV indicators at the PHU level. The data span the breadth of the HIV prevention, engagement and care cascade and include testing and diagnosis, as well as later care cascade indicators. These indicators were derived from databases at the laboratory at Public Health Ontario.
HIV care cascade in Ontario by sex, age and health region: Linkage to care, in care, on antiretroviral treatment and virally suppressed, 2015
This document describes trends in HIV cascade indicators by sex, age and health region. It builds upon the previously released OHESI cascade report describing overall trends in cascade indicators for the province. The report has been compiled using a cohort of people diagnosed with HIV in Ontario, created using linked HIV diagnostic and viral load tests from public health laboratory systems.
HIV care cascade in Ontario: Linkage to care, in care, on antiretroviral treatment and virally suppressed, 2015
This document describes overall trends in HIV cascade indicators between 2000 and 2015. The report has been compiled using a cohort of people diagnosed with HIV in Ontario, created using linked HIV diagnostic and viral load tests from public health laboratory systems.
** The above documents can be made available in alternate formats upon request. Please email OHESI (at) ohtn.on.ca for more information.
OHESI factsheets
These products are intended to provide easy to understand summaries and key messages for front-line service providers and community members.
HIV epidemiology update for gay, bisexual, and other men who have sex with men (GBMSM) in Ontario, 2019
This factsheet includes the first estimate of the number of GBMSM living in Ontario, the proportion of HIV tests conducted among GBMSM in 2019, trends in HIV diagnoses among GBMSM over the past decade (2010-2019), breakdowns of HIV diagnoses among GBMSM by age, race/ethnicity, and health region, and the estimated prevalence of diagnosed HIV among GBMSM in Ontario for 2018.
Mise à jour sur l’épidémiologie du VIH chez les hommes homosexuels, bisexuels et autres ayant des rapports sexuels avec des hommes (HBHSH) en Ontario, 2019
Cette fiche d’information comprend la première estimation du nombre d’HGHSH vivant en Ontario, la proportion de tests de dépistage du VIH effectués chez les HBHSH en 2019, les tendances des diagnostics du VIH chez les HBHSH au cours de la dernière décennie (2010-2019), la répartition des diagnostics du VIH chez les HBHSH en fonction de l’âge, la race/l’ethnicité et la région sanitaire, et la prévalence estimée du VIH diagnostiqué chez les HBHSH en Ontario pour l’année 2018.
HIV testing and diagnosis in Ontario, 2018
In this factsheet, OHESI reports on the trends of HIV testing and diagnoses in Ontario over the past decade, with an emphasis on new diagnoses in 2018.
Dépistage et diagnostic du VIH en 2018
Dans le feuillet d’information sur le dépistage et le diagnostic du VIH en 2018, l’OHESI fait état des tendances du dépistage et du diagnostic du VIH en Ontario au cours de la dernière décennie, avec un point de mire sur les nouveaux diagnostics en 2018.
Lire le feuillet d’information
Women & HIV in Ontario
This factsheet highlights which women are most at risk for HIV, and the service needs and challenges for women living with HIV in Ontario.
HIV testing and diagnosis in Ontario, 2017
This factsheet, released to mark World AIDS Day, 2018 includes an update for 2017 testing and diagnosis data.
The HIV care cascade in Ontario
This factsheet describes trends in the HIV care cascade in Ontario between 2000 and 2015.
Historical epidemiology reports
HIV testing in Ontario, 2016
This document describes trends in HIV testing over the past decade (2007 to 2016). The data are broken down by sex, age, test type (i.e. nominal, anonymous, coded), exposure category, health region and location health integration network. The report is based on HIV diagnostic tests from public health laboratory systems.
New HIV diagnoses in Ontario: Preliminary report, 2016
This document describes trends in new diagnoses by sex, age, priority population, race/ethnicity and health region. The report is based on HIV-positive diagnostic tests from public health laboratory systems.
Remis RS, Liu J. HIV/AIDS in Ontario: Preliminary Report, 2011. Ontario Ministry of Health and Long-Term Care, Aug 2013.
This preliminary report is the last produced by Ontario HIV Epidemiologic Monitoring Unit (OHEMU) and contains information on new HIV diagnoses in Ontario up to 2011.
Remis RS, Swantee C, Liu J. Report on HIV/AIDS in Ontario, 2009. Ontario Ministry of Health and Long-Term Care, June 2012.
This full report contains the most recent HIV incidence and prevalence estimates for Ontario. OHESI is currently working to produce updated estimates.
Other links
OHESI Partners
Public Health Agency of Canada
AIDS Bureau, Ontario Ministry of Health and Long-term Care
Public Health Ontario
Ontario HIV Treatment Network
Additional Ontario HIV surveillance information
Ontario HIV Epidemiologic Monitoring Unit (unit no longer active – contains historical data)
Public Health Ontario – Surveillance reports
HIV/AIDS information and services
CATIE (Canadian AIDS Treatment Information Exchange)
HIV411.ca – a list of HIV/AIDS service providers across Canada
Sexual Health Ontario – HIV and AIDS
HIV & AIDS Legal Clinic Ontario (HALCO)