Regional Overview
As Canada’s most populous province, Ontario has the largest number of immigrants and has the largest population of people living with HIV in the country, among whom people from Afro-Caribbean and Black communities are disproportionately represented. Ontario also has the most cases of HCV, HBV and STBBIs.
Priorities
- Engaging with youth and young adults to improve uptake of prevention interventions and address harms related to the opioid crisis
- Improving uptake of prevention strategies in gay and bisexual men
- Maximizing mental health, well-being, and healthy aging among people living with HIV
Additional Information
While the numbers of HIV diagnoses have stabilized in recent years, there is much work to be done to improve access to harm reduction services, HIV and STBBI prevention methods, and treatment and care options for both newer residents and lifelong citizens. The Ontario region has extensive expertise in the design, analysis and conduct of clinical trials, cohort studies, implementation science projects, and immunologic research.
Ontario Team Leads
The leadership for the Ontario team includes two academic Co-leads, one Community Representative, an Early Career Researcher, an Indigenous Experience Lead, and a KM Liaison.
Contact
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Alex Musten
Regional Coordinator, Ontario TeamContact Read BioAlexandra is a strategic program leader specializing in public health initiatives, stakeholder engagement, and evidence-based service delivery. With over ten years of experience managing national health programs, she has developed expertise in scaling innovative healthcare solutions and building sustainable partnerships across complex environments. She is deeply committed to creating impactful, accessible health systems through strategic…
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Pascal Djiadeu
Project Manager, Ontario TeamContact Read BioDr. Pascal Djiadeu is a multifaceted scholar combining academic appointments with key consulting roles in public health. His expertise spans HIV implementation science, epidemiological research, health equity, data analytics, evidence synthesis, and HIV care among Black communities in Canada. Through rigorous quantitative analyses, scoping and systematic reviews, and community-engaged initiatives, he has significantly advanced understanding…
Ontario Team News
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Putting data into action: How CTN researchers track, prevent, and manage HIV in infants
The Canadian Pediatric and Perinatal HIV/AIDS Research Group is a collection of clinicians and researchers that form the…
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Understanding the impacts of prenatal antiretroviral medications on children
A new CTN study investigates how exposure to HIV and antiretroviral drugs during pregnancy could have long-term effects…
More News
Related Studies
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CTN 339: The NOVA-HIV Study
A Study of Reduced Dosing of the Nonavalent HPV Vaccine in Women Living with HIV
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CTNPT 050: Perception of menopausal hormone therapy among women living with HIV
Perception of menopausal hormone therapy amongst women living with HIV: A feasibility study for a future randomized controlled trial
Related Publications
Here are some of the latest publications from the Ontario team.
Related Resources
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Types
CTN+
In this recording of a talk presented at the 2025 CTN+ Spring Meetings, Dr. Lawrence Mbuagbaw describes the extent and impact of inequalities in health research, potential solutions and frameworks, and practical guidance to achieve health equity.
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Types
CATIE
This toolkit provides a catalogue of anti-stigma communications and community engagement resources on-demand for staff and leaders of community health organizations in Ontario to respond to community concerns and share the importance of caring for people who use drugs.
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