This profile is built from public research funding records (CIHR, NSERC and SSHRC) and PubMed. We have not imported them from a Queen's University directory, so their courses and email address may be missing. Find their university profile.
Research
Latest papers
Females at the intersection: Housing instability, drug use, and syphilis risk among street-involved populations in Ontario, Canada.
The International journal on drug policy · 2026
Assessing the educational impact of a new HIV PrEP training module among primary care providers in Southeast Ontario: results from immediate and 3-months post-training evaluation surveys.
AIDS care · 2026
Factors influencing PrEP adoption in sexual health clinics within Ontario's public health system: a qualitative study using the Consolidated Framework for Implementation Research (CFIR).
Frontiers in public health · 2026
Latest funding
- $150,000
Breaking Barriers: Expanding Syphilis Point-of-care Testing and Immediate Treatment to Meet the Needs of Underserved Communities
CIHR · 2024 · Co-investigator
- $100,000
Congenital Syphilis: Evaluating the Fidelity and Reach of Enhanced Prenatal Syphilis Screening Recommendations in Ontario
CIHR · 2024 · Co-investigator
- $250,000
Breaking Barriers: Expanding Syphilis Point-of-care Testing and Immediate Treatment to Meet the Needs of Underserved Communities
CIHR · 2023 · Co-investigator
10 publications.
Females at the intersection: Housing instability, drug use, and syphilis risk among street-involved populations in Ontario, Canada.
Mackrell L, Carter M, Antoun JP, Guan H, Oglaza P, Stoner B, O'Byrne P, Southall M, Baldeh T, Larkin N, Burbidge J, Belanger K, Keck A, Martinez-Cajas J, Rasinaho B, St John M, Tran V, Saeed S, SPRITE study
Assessing the educational impact of a new HIV PrEP training module among primary care providers in Southeast Ontario: results from immediate and 3-months post-training evaluation surveys.
Martinez-Cajas JL, Cofie N, Kuforiji O, Dalgarno N, Shen B, Ahmed A, Guan H, Stoner B, Alvarado B
Factors influencing PrEP adoption in sexual health clinics within Ontario's public health system: a qualitative study using the Consolidated Framework for Implementation Research (CFIR).
Nagy E, Alvarado B, Rapino C, Kuforiji O, Cofie N, Stoner B, Dalgarno N, Camargo-Plazas P, Guan TH, Martinez-Cajas J
SCORE: Serologic evidence of COVID-19 and social and occupational contacts in healthcare workers in long-term care and acute care facilities in Southeastern Ontario (SCORE).
Martinez-Cajas JL, Alvarado B, Jolly A, Gong Y, Stoner B, Evans G, Perez-Patrigeon S, Guan TH
Anti-SARS-CoV-2 Antibody Levels in a Cohort of Health Care Workers Before and After the Omicron Wave in Canada.
Martinez-Cajas JL, Perez-Patrigeon S, Evans GA, Stoner B, Jolly A, Alvarado B, Guan H, Gong Y
Edge-based modelling for disease transmission on random graphs: an application to mitigate a syphilis outbreak.
Zhao S, Saeed S, Carter M, Stoner B, Hoover M, Guan H, Magpantay FMG
Risk of SARS-CoV-2 infection before and after the Omicron wave in a cohort of healthcare workers in Ontario, Canada.
Martinez-Cajas JL, Jolly A, Gong Y, Evans G, Perez-Patrigeon S, Stoner B, Guan TH, Alvarado B
Determinants of Familiarity and Experience with HIV Pre-Exposure Prophylaxis in Primary Care Providers in Ontario, Canada.
Martinez-Cajas J, Alvarado B, Rapino C, Nagy E, Guan TH, Cofie N, Dalgarno N, Camargo P, Stoner B
Syphilis Point of Care Rapid Test and Immediate Treatment Evaluation (SPRITE) study: a mixed-methods implementation science research protocol of eight public health units in Ontario, Canada.
Mackrell L, Carter M, Hoover M, O'Byrne P, Larkin N, Magpantay FMG, Zhao S, Stoner B, Richard-Greenblatt M, Mandryk K, Belanger K, Burbidge J, Charette G, Deschenes G, Dinh DA, Featherstone A, Khandakar F, Martinez-Cajas J, Tran V, Szumlanski N, Vance S, Saeed S, SPRITE Study
The Use of Intracranial Vessel Wall Magnetic Resonance Imaging to Detect a Presumptive Syphilitic Brain Aneurysm.
Askar W, Nadeem I, Dalby J, Hunter P, Kuchinsky G, Wolfe T, Stoner B
Breaking Barriers: Expanding Syphilis Point-of-care Testing and Immediate Treatment to Meet the Needs of Underserved Communities
Principal investigators: Saeed, Sahar Z; Guan, Tianxiu H; Carter, Megan A
Keywords: Implementation Science; Point Of Care Testing (Poct)
Congenital Syphilis: Evaluating the Fidelity and Reach of Enhanced Prenatal Syphilis Screening Recommendations in Ontario
Principal investigators: Saeed, Sahar Z; Guan, Tianxiu H
Keywords: Congenital Syphilis; Difference-In-Differences; Fidelity; Guidelines; Pregnancy; Prenatal Screening; Quasi-Experimental Designs; Risk-Based Vs Universal; Syphilis; Women
Breaking Barriers: Expanding Syphilis Point-of-care Testing and Immediate Treatment to Meet the Needs of Underserved Communities
Principal investigators: Saeed, Sahar Z; Guan, Tianxiu H; Carter, Megan A
Keywords: Community-Based Participatory Research; Discrete Choice Experiment (Dce); Implementation Science; Patient Preference; Point Of Care Testing (Poct); Re-Aim; Rural/ Non-Urban; Syphilis
Advancing Syphilis Elimination: Leveraging Public Health and Academic Partnerships to Build Capacity
Principal investigators: Saeed, Sahar Z; Guan, Tianxiu H; Carter, Megan A; Magpantay, Felicia Maria G; Stoner, Bradley
Keywords: Homelessness; Implementation Science; Mathematical Modeling; Models Of Care; Natural Experiment; People Who Use Drugs; Point-Of-Care Test (Poct); Quasi-Experimental Methods; Syphilis; Underserved Populations
From CIHR, NSERC and SSHRC funding decisions: CIHR since 2008, NSERC since 1991 and SSHRC since 1998, including their latest published competition results.
Frequent collaborators
- Beatriz Alvarado and Bradley Stoner: 6 shared papers
- Beatriz Alvarado and Pilar Camargo Plazas: 5 shared papers
- Megan Carter and Sahar Saeed: 5 shared papers
- Beatriz Alvarado and Ann Jolly: 3 shared papers
- Patrick O'Byrne and Megan Carter: 3 shared papers
- Patrick O'Byrne and Sahar Saeed: 3 shared papers
- Megan Carter and Bradley Stoner: 3 shared papers
- Sahar Saeed and Bradley Stoner: 3 shared papers
- Bradley Stoner and Ann Jolly: 3 shared papers
- Patrick O'Byrne and Bradley Stoner: 2 shared papers
- Bradley Stoner and Pilar Camargo Plazas: 1 shared paper
- Public Health Sciences
- School of Rehabilitation
- School of Epidemiology and Public Health
- Nursing Sciences
- Community Health Nursing
- Other
Co-authors at Queen's University, colored by department. Thicker lines mean more shared papers; select anyone to open their profile and their own map.
Beatriz Alvarado
School of Rehabilitation
6 shared papers, latest 2026
Ann Jolly
School of Epidemiology and Public Health
3 shared papers, latest 2025
Megan Carter
Public Health Sciences
3 shared papers, latest 2026
Sahar Saeed
Public Health Sciences
3 shared papers, latest 2026
Patrick O'Byrne
Nursing Sciences
2 shared papers, latest 2026
Pilar Camargo Plazas
Community Health Nursing
1 shared papers, latest 2026
A short, specific email works best. This draft uses one of their recent papers; replace the parts in brackets with your own details before sending.