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Open Access
Peer-reviewed
Research Article
The impact of Undetectable=Untransmittable and viral suppression on condomless sex among mixed HIV-status couples in Canada
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Min Xi ,
Roles Investigation, Methodology, Validation, Visualization, Writing – original draft, Writing – review & editing
* E-mail: min.xi@mail.utoronto.ca
Affiliations Department of Public Health Sciences, Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada, Toronto General Hospital Research Institute, University Health Network, Toronto, Ontario, Canada, ICES Central, Toronto, Ontario, Canada
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Sandra Bullock,
Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Project administration, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing
Affiliation Department of Public Health Sciences, Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
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Joshua B. Mendelsohn,
Roles Conceptualization, Funding acquisition, Investigation, Methodology, Project administration, Validation, Visualization, Writing – original draft, Writing – review & editing
Affiliation College of Health Professions, Pace University, New York, New York, United States of America
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Veronika Moravan,
Roles Data curation, Formal analysis, Methodology, Validation, Visualization, Writing – original draft, Writing – review & editing
Affiliation VM Stats, Toronto, Ontario, Canada
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Ann N. Burchell,
Roles Conceptualization, Funding acquisition, Methodology, Visualization, Writing – review & editing
Affiliation Department of Family and Community Medicine, MAP Centre for Urban Health Solutions, Li Ka Shing Knowledge Institute, St. Michael’s Hospital, Unity Health Toronto, Ontario, Canada
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Darrell H. S. Tan,
Roles Funding acquisition, Investigation, Visualization, Writing – review & editing
Affiliations Division of Infectious Diseases, St. Michael’s Hospital, Unity Health Toronto, Ontario, Canada, Department of Medicine, University of Toronto Temerty Faculty of Medicine, Toronto, Ontario, Canada, Institute of Medical Science, University of Toronto, Toronto, Ontario, Canada, MAP Centre for Urban Health Solutions, St. Michaels’ Hospital, Unity Health Toronto, Toronto, Ontario, Canada
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Bertrand Lebouché,
Roles Funding acquisition, Investigation, Methodology, Writing – review & editing
Affiliations Centre for Outcomes Research and Evaluation, Research Institute of the McGill University Health Centre, Montreal, Quebec, Canada, Department of Family Medicine, McGill University, Montreal, Quebec, Canada, Chronic Viral Illness Service, Royal Victoria Hospital, McGill University Health Centre, Montreal, Quebec, Canada
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Jean-Pierre Routy,
Roles Conceptualization, Funding acquisition, Investigation, Writing – review & editing
Affiliations Chronic Viral Illness Service and Division of Hematology, McGill University Health Centre, Montreal, Quebec, Canada, Research Institute of the McGill University Health Centre, Montreal, Quebec, Canada
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Amrita Daftary,
Roles Conceptualization, Funding acquisition, Writing – review & editing
Affiliation School of Global Health, and Dahdaleh Institute of Global Health Research, York University, Toronto, Ontario, Canada
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Tamara Thompson,
Roles Conceptualization, Funding acquisition, Writing – review & editing
Affiliation Faculty of Health Sciences, Douglas College, Coquitlam, British Columbia, Canada
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Liviana Calzavara
Contributed equally to this work with: Liviana Calzavara
Roles Conceptualization, Funding acquisition, Investigation, Methodology, Project administration, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing
Affiliation Department of Public Health Sciences, Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
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The impact of Undetectable=Untransmittable and viral suppression on condomless sex among mixed HIV-status couples in Canada
- Min Xi,
- Sandra Bullock,
- Joshua B. Mendelsohn,
- Veronika Moravan,
- Ann N. Burchell,
- Darrell H. S. Tan,
- Bertrand Lebouché,
- Jean-Pierre Routy,
- Amrita Daftary,
- Tamara Thompson
- Published: October 9, 2025
- https://doi.org/10.1371/journal.pone.0332926