This profile is built from public research funding records (CIHR, NSERC and SSHRC) and PubMed. We have not imported them from a University of Ottawa directory, so their courses and email address may be missing. Find their university profile.
Research
Latest papers
Prediction of genetic relatedness of Escherichia coli using neighbor typing: a tool for rapid outbreak detection.
Antimicrobial agents and chemotherapy · 2026
Using routine asymptomatic Clostridioides difficile testing to identify patients at high risk of developing C. difficile infection during hematopoietic cell transplantation.
Journal of the Association of Medical Microbiology and Infectious Disease Canada = Journal officiel de l'Association pour la microbiologie medicale et l'infectiologie Canada · 2025
Rapid inference of antibiotic susceptibility phenotype of uropathogens using metagenomic sequencing with neighbor typing.
Microbiology spectrum · 2025
Latest funding
- $100,000
Oral Vancomycin for the Prevention of C. difficile Infection in High-Risk HCT and CAR-T Patients (VAPOR-HCT): A Pilot Randomized Placebo-Controlled Trial
CIHR · 2025 · Principal investigator
5 publications.
Prediction of genetic relatedness of Escherichia coli using neighbor typing: a tool for rapid outbreak detection.
Carroll AC, Mortimer L, Ghosh H, Reuter S, Grundmann H, Brinda K, Hanage WP, Li A, Paterson A, Purssell A, Rooney AM, Yee NR, Coburn B, Able-Thomas S, Antonio M, McGeer A, MacFadden DR
Using routine asymptomatic Clostridioides difficile testing to identify patients at high risk of developing C. difficile infection during hematopoietic cell transplantation.
Janusz N, Mortimer L, Leite T, Carroll A, Kekre N, Kennah M, Yan A, Senechal J, Buchan CA, MacFadden D
Rapid inference of antibiotic susceptibility phenotype of uropathogens using metagenomic sequencing with neighbor typing.
Carroll AC, Mortimer L, Ghosh H, Reuter S, Grundmann H, Brinda K, Hanage WP, Li A, Paterson A, Purssell A, Rooney A, Yee NR, Coburn B, Able-Thomas S, Antonio M, McGeer A, MacFadden DR
Seasonal respiratory virus circulation was diminished during the COVID-19 pandemic.
Heiskanen A, Galipeau Y, Little J, Mortimer L, Ramotar K, Langlois MA, Cooper CL
Temporal Dynamics and Evolution of SARS-CoV-2 Demonstrate the Necessity of Ongoing Viral Genome Sequencing in Ontario, Canada
Sjaarda CP, Guthrie JL, Mubareka S, Simpson JT, Hamelin B, Wong H, Mortimer L, Slinger R, McArthur AG, Desjardins M
Oral Vancomycin for the Prevention of C. difficile Infection in High-Risk HCT and CAR-T Patients (VAPOR-HCT): A Pilot Randomized Placebo-Controlled Trial
Principal investigators: MacFadden, Derek R; Atkins, Harold L; Buchan, Catharine A; Cheng, Matthew P; Climans, Troy; Coburn, Bryan A; Daneman, Nick; Gauthier, Karine; Hay, Annette; Kabbani, Dima; Kekre, Natasha; Kennah, Michael; McIntyre, Lauralyn A; Mertz, Dominik; Monteith, Bethany E; Mortimer, Leanne M; Purssell, Andrew; Taljaard, Monica; Tsang, Corey
Keywords: Antimicrobial Resistance; Biomarker; C.Difficile Infection; Chimeric Antigen Receptor T-Cell Therapy; Feasibility; Hematopoietic Stem Cell Transplantation; Microbiome; Pilot; Prophylaxis; Randomized Trial
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
- Department of Laboratory Medicine and Pathobiology
- Pathology and Laboratory Medicine
- Department of Medicine
- Cell and Systems Biology
- Biochemistry & Biomedical Sciences
- Pediatrics
- Biology
- Other
Co-authors at University of Ottawa, colored by department. Thicker lines mean more shared papers; select anyone to open their profile and their own map.
Allison McGeer
Department of Laboratory Medicine and Pathobiology
3 shared papers, latest 2026
Andrew Purssell
Faculty
2 shared papers, latest 2026
Bryan Coburn
Cell and Systems Biology
2 shared papers, latest 2026
Henry Wong
School of Kinesiology and Health Studies
1 shared papers, latest 2021
Karamchand Ramotar
Pathology and Laboratory Medicine
1 shared papers, latest 2023
Marc Desjardins
Pathology and Laboratory Medicine
1 shared papers, latest 2021
Robert Slinger
Department of Medicine
1 shared papers, latest 2021
Ramzi Fattouh
Department of Laboratory Medicine and Pathobiology
1 shared papers, latest 2021
Julian Little
School of Epidemiology and Public Health
1 shared papers, latest 2023
Tony Mazzulli
Department of Laboratory Medicine and Pathobiology
1 shared papers, latest 2021
Nahuel Fittipaldi
Faculty
1 shared papers, latest 2021
Derek MacFadden
Pediatrics
1 shared papers, latest 2025
Aaron Campigotto
Faculty
1 shared papers, latest 2021
Natasha Kekre
Department of Medicine
1 shared papers, latest 2025
Derek MacFadden
Biology
1 shared papers, latest 2025
Andrew McArthur
Biochemistry & Biomedical Sciences
1 shared papers, latest 2021
Michael Kennah
Faculty
1 shared papers, latest 2025
Samira Mubareka
Department of Laboratory Medicine and Pathobiology
1 shared papers, latest 2021
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