Faculty profile
Matthew Muller
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Read how they describe their research on their University of Toronto profile.
Latest papers
Incidence of colonization and infection with carbapenemase-producing Enterobacterales in Toronto and Peel Region, Ontario, 2007-2024.
JAMMI · 2026
Invasive Group A Streptococcal Infection in Children, 1992-2023
JAMA Network Open · 2025
Risk mitigation of shared room ventilation and filtration on SARS-CoV-2 transmission: a multicenter test-negative study.
Infection control and hospital epidemiology · 2025
Latest funding
- $350,000
CAMP 2.0 An Ongoing Community-based Interdisciplinary Model for Mpox pandemic Preparedness
CIHR · 2025 · Co-investigator
- $867,001
COVID-19 in working age Canadian adults: Long-term follow up of infections and immune responses
CIHR · 2022 · Co-investigator
- $2,000,000
Canada-Africa Monkeypox Partnership (CAMP): Characterizing transmission dynamics and evaluating medical countermeasures to inform the clinical and public health response to Mpox
CIHR · 2022 · Co-investigator
12 publications.
Incidence of colonization and infection with carbapenemase-producing Enterobacterales in Toronto and Peel Region, Ontario, 2007-2024.
Li AX, Lefebvre M, Zhong Z, Almohri H, Armstrong I, Baqi M, Barker KR, Borgia S, Coleman BL, Downing M
Invasive Group A Streptococcal Infection in Children, 1992-2023
Dabaja-Younis H, Kandel C, Green K, Johnstone J, Zhong Z, Kassee C, Allen V, Armstrong I, Baqi M, Barker K
Risk mitigation of shared room ventilation and filtration on SARS-CoV-2 transmission: a multicenter test-negative study.
Williams V, Schwartz KL, Brown K, Muller M, Powis J, Ricciuto D, Kiss A, Downing M, Sukhdeo S, Dashwood T, Romano J, Kozak R, Maze Dit Mieusement L, Leis JA
Trivalent and quadrivalent seasonal influenza vaccine in adults aged 60 and older: a systematic review and network meta-analysis
Assessing a safety climate tool adapted to address respiratory illnesses in Canadian hospitals
Jiang L, Muller M, McGeer A, Simor A, Holness DL, Coleman KKL, Katz K, Loeb M, McNeil S, Nichol K
Post-exposure prophylaxis against SARS-CoV-2 in close contacts of confirmed COVID-19 cases (CORIPREV): study protocol for a cluster-randomized trial.
Tan DHS, Chan AK, Jüni P, Tomlinson G, Daneman N, Walmsley S, Muller M, Fowler R, Murthy S, Press N, Cooper C, Lee T, Mazzulli T, McGeer A
Introduction of Group Electronic Monitoring of Hand Hygiene on Inpatient Units: A Multicenter Cluster Randomized Quality Improvement Study.
Leis JA, Powis JE, McGeer A, Ricciuto DR, Agnihotri T, Coyle N, Williams V, Moore C, Salt N, Wong L, McCreight L, Sivaramakrishna S, Junaid S, Cao X, Muller M
Evaluation of Matrix-Assisted Laser Desorption Ionization Time-of-Flight Mass Spectrometry and ClinPro Tools as a Rapid Tool for Typing Streptococcus pyogenes.
Tadros M, Cabrera A, Matukas LM, Muller M
Factors associated with influenza vaccination among healthcare workers in acute care hospitals in Canada
Hussain H, McGeer A, McNeil S, Katz K, Loeb M, Simor A, Powis J, Langley J, Muller M, Group TCHCWS
Can a smartphone app improve medical trainees' knowledge of antibiotics?
Fralick M, Haj R, Hirpara D, Wong K, Muller M, Matukas L, Bartlett J, Leung E, Taggart L
CAMP 2.0 An Ongoing Community-based Interdisciplinary Model for Mpox pandemic Preparedness
Principal investigators: Tan, Darrell H; Adebajo, Sylvia; Audu, Rosemary; Chan, Adrienne; DAODU, OLUWAFEMI B; Klein, Marina B; Kozak, Robert A; Kwong, Jeffrey C; McGeer, Allison J; Mishra, Sharmistha; Okpokoro, Evaezi; Olufadewa, Isaac I; Walmsley, Sharon L
Keywords: Clinical Trial; Epidemiology; Mathematical Modeling; Prospective Cohort; Vaccine Effectiveness; Veterinary Medecine; Virology
COVID-19 in working age Canadian adults: Long-term follow up of infections and immune responses
Principal investigators: Coleman, Brenda L
Keywords: Adult; Cohort; Correlates Of Protection; Covid-19; Education; Epidemiology; Health Care
Canada-Africa Monkeypox Partnership (CAMP): Characterizing transmission dynamics and evaluating medical countermeasures to inform the clinical and public health response to Mpox
Principal investigators: Tan, Darrell H; Adebajo, Sylvia; Audu, Rosemary; Chan, Adrienne; DAODU, OLUWAFEMI B; Klein, Marina B; Kozak, Robert A; Kwong, Jeffrey C; McGeer, Allison J; Mishra, Sharmistha; Okpokoro, Evaezi; Olufadewa, Isaac I; Walmsley, Sharon L
Keywords: Clinical Trial; Epidemiology; Mathematical Modeling; Prospective Cohort; Vaccine Effectiveness; Veterinary Medicine; Virology
COVID-19 Variant Supplement - The COVID-19 Hospital Analytics Laboratory: Improving the Clinical, Organizational, and System Response to COVID-19
Principal investigators: Verma, Amol; Greenberg, Anna; Chan, Timothy; Cheung, Angela M; Ghassemi, Marzyeh; Herridge, Margaret S; Mamdani, Muhammad; Razak, Fahad; Rosella, Laura C
Keywords: Clinical Data Platform; Hospital Medicine
COVID-19 Variant Network - The COVID-19 Hospital Analytics Laboratory: Improving the Clinical, Organizational, and System Response to COVID-19
Principal investigators: Verma, Amol; Greenberg, Anna; Chan, Timothy; Cheung, Angela M; Ghassemi, Marzyeh; Herridge, Margaret S; Mamdani, Muhammad; Razak, Fahad; Rosella, Laura C
Keywords: Clinical Data Platform; Hospital Medicine
COVID-19 Variant Network - Are healthcare workers at higher risk of COVID-19 than other working adults?
Principal investigators: McGeer, Allison J; Brown, Kevin A; Buchan, Sarah; Coleman, Brenda L; Manuel, Douglas G; Mishra, Sharmistha; Patel, Samir; Sander, Beate H
Keywords: Adult; Covid-19; Healthcare Workers; Incidence; Propective Cohort; Risk Factors For Infection
COVID-19 Variant Supplement - RIsk of environmental Surface and air Contamination in COVID19 (RISC-COV)
Principal investigators: McGeer, Allison J; Bryce, Elizabeth; Mubareka, Samira; Ostrowski, Mario A; Wong, Titus
Keywords: Bioaerosol; Clinical And Epidemiologic Characteristics; Covid-19
COVID-19 Ring-based Prevention trial for Undermining Spread (CORPUS)
Principal investigators: Tan, Darrell H; McGeer, Allison J
Keywords: Cluster Randomized Controlled Trial; Covid-19; Epidemiology; Lopinavir/Ritonavir; Post-Exposure Prophylaxis
The COVID-19 Hospital Analytics Laboratory: Improving the Clinical, Organizational, and System Response to COVID-19
Principal investigators: Verma, Amol; Greenberg, Anna; Chan, Timothy; Cheung, Angela M; Ghassemi, Marzyeh; Herridge, Margaret S; Mamdani, Muhammad; Razak, Fahad; Rosella, Laura C
Keywords: Clinical Data Platform; Hospital Medicine
Are healthcare workers at higher risk of COVID-19 than other working adults?
Principal investigators: McGeer, Allison J; Coleman, Brenda L
Keywords: Adult; Covid-19; Healthcare Workers; Incidence; Propective Cohort; Risk Factors For Infection
From public funding decisions: CIHR since 2008, NSERC since 1991 and SSHRC since 1998 with their latest competition results, the Canada Foundation for Innovation, Genome Canada, the Canadian Space Agency, Canada Research Chairs, the Fonds de recherche du Québec, Ontario research funding, Michael Smith Health Research BC, the Canadian Cancer Society, Heart & Stroke and Brain Canada.
Frequent collaborators
- Allison McGeer and Andrew Simor: 151 shared papers
- Allison McGeer and Samira Mubareka: 101 shared papers
- Mark Loeb and Allison McGeer: 100 shared papers
- Allison McGeer and Tony Mazzulli: 66 shared papers
- Shelly McNeil and Allison McGeer: 55 shared papers
- Mark Loeb and Andrew Simor: 53 shared papers
- Mark Loeb and Shelly McNeil: 50 shared papers
- Allison McGeer and Samir Patel: 39 shared papers
- Allison McGeer and Gregory Tyrrell: 26 shared papers
- Allison McGeer and Kevin Katz: 25 shared papers
- Allison McGeer and Sharon Walmsley: 24 shared papers
- Allison McGeer and Julianne Kus: 24 shared papers
- Samir Patel and Julianne Kus: 24 shared papers
- Allison McGeer and Aaron Campigotto: 21 shared papers
- Samira Mubareka and Andrew Simor: 19 shared papers
- Sharon Walmsley and Tony Mazzulli: 19 shared papers
- Allison McGeer and Jennie Johnstone: 17 shared papers
- Samira Mubareka and Tony Mazzulli: 16 shared papers
- Sergio Borgia and Allison McGeer: 15 shared papers
- Allison McGeer and Irene Armstrong: 15 shared papers
- Tony Mazzulli and Julianne Kus: 14 shared papers
- Deborah Yamamura and Allison McGeer: 13 shared papers
- Samira Mubareka and Samir Patel: 12 shared papers
- Andrew Simor and Kevin Katz: 12 shared papers
- Shelly McNeil and Andrew Simor: 11 shared papers
- Samir Patel and Jennie Johnstone: 11 shared papers
- Julianne Kus and Gregory Tyrrell: 11 shared papers
- Mark Loeb and Deborah Yamamura: 9 shared papers
- Shelly McNeil and Kevin Katz: 9 shared papers
- Allison McGeer and Christopher Kandel: 9 shared papers
- Samira Mubareka and Aaron Campigotto: 9 shared papers
- Andrew Simor and Aaron Campigotto: 9 shared papers
- Andrew Simor and Irene Armstrong: 9 shared papers
- Samir Patel and Irene Armstrong: 9 shared papers
- Allison McGeer and Matthew Muller: 8 shared papers
- Sharon Walmsley and Andrew Simor: 8 shared papers
- Allison McGeer and Kevin Barker: 7 shared papers
- Mark Loeb and Jennie Johnstone: 6 shared papers
- Sergio Borgia and Irene Armstrong: 6 shared papers
- Sergio Borgia and Kevin Barker: 6 shared papers
- Sharon Walmsley and Ari Bitnun: 6 shared papers
- Aaron Campigotto and Kevin Barker: 6 shared papers
- Aaron Campigotto and Manal Tadros: 6 shared papers
- Mark Loeb and Gregory Tyrrell: 5 shared papers
- Deborah Yamamura and Huda Almohri: 5 shared papers
- Huda Almohri and Allison McGeer: 5 shared papers
- Huda Almohri and Samir Patel: 5 shared papers
- Samira Mubareka and Christopher Kandel: 4 shared papers
- Tony Mazzulli and Matthew Muller: 4 shared papers
- Tony Mazzulli and Christopher Kandel: 4 shared papers
- Andrew Simor and Matthew Muller: 4 shared papers
- Aaron Campigotto and Ari Bitnun: 4 shared papers
- Kevin Katz and Matthew Muller: 4 shared papers
- Kevin Katz and Jeff Powis: 4 shared papers
- Ari Bitnun and Ian Kitai: 4 shared papers
- Mark Loeb and Matthew Muller: 3 shared papers
- Deborah Yamamura and Matthew Muller: 3 shared papers
- Deborah Yamamura and Ian Kitai: 3 shared papers
- Shelly McNeil and Matthew Muller: 3 shared papers
- Shelly McNeil and Jeff Powis: 3 shared papers
- Allison McGeer and Jeff Powis: 3 shared papers
- Allison McGeer and Ian Kitai: 3 shared papers
- Sharon Walmsley and Matthew Muller: 3 shared papers
- Andrew Simor and Manal Tadros: 3 shared papers
- Julianne Kus and Manal Tadros: 3 shared papers
- Matthew Muller and Jeff Powis: 3 shared papers
- Sergio Borgia and Matthew Muller: 2 shared papers
- Huda Almohri and Matthew Muller: 2 shared papers
- Samira Mubareka and Matthew Muller: 2 shared papers
- Samir Patel and Matthew Muller: 2 shared papers
- Julianne Kus and Matthew Muller: 2 shared papers
- Gregory Tyrrell and Matthew Muller: 2 shared papers
- Jennie Johnstone and Matthew Muller: 2 shared papers
- Irene Armstrong and Matthew Muller: 2 shared papers
- Kevin Barker and Matthew Muller: 2 shared papers
- Manal Tadros and Matthew Muller: 2 shared papers
- Matthew Muller and Christopher Kandel: 2 shared papers
- Matthew Muller and Ari Bitnun: 2 shared papers
- Matthew Muller and Ian Kitai: 2 shared papers
- Allison McGeer and Ana Cabrera: 1 shared paper
- Tony Mazzulli and Ana Cabrera: 1 shared paper
- Andrew Simor and Ana Cabrera: 1 shared paper
- Aaron Campigotto and Matthew Muller: 1 shared paper
- Ana Cabrera and Matthew Muller: 1 shared paper
- Department of Laboratory Medicine & Pathobiology
- Department of Medicine
- Department of Pathology and Molecular Medicine
- Department of Paediatrics
- Clinical Public Health Division
- Department of Pediatrics
- Medicine
- Other
Co-authors at University of Toronto, 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 & Pathobiology
8 shared papers, latest 2026
Tony Mazzulli
Department of Laboratory Medicine & Pathobiology
4 shared papers, latest 2026
Kevin Katz
Department of Laboratory Medicine & Pathobiology
4 shared papers, latest 2026
Andrew Simor
Department of Laboratory Medicine & Pathobiology
4 shared papers, latest 2025
Jeff Powis
Department of Medicine
3 shared papers, latest 2025
Mark Loeb
Department of Pathology and Molecular Medicine
3 shared papers, latest 2024
Deborah Yamamura
Department of Pathology and Molecular Medicine
3 shared papers, latest 2026
Shelly McNeil
Department of Pediatrics
3 shared papers, latest 2024
Sharon Walmsley
Department of Medicine
3 shared papers, latest 2025
Christopher Kandel
Department of Medicine
2 shared papers, latest 2026
Ian Kitai
Department of Paediatrics
2 shared papers, latest 2025
Ari Bitnun
Department of Paediatrics
2 shared papers, latest 2025
Jennie Johnstone
Clinical Public Health Division
2 shared papers, latest 2026
Sergio Borgia
Department of Medicine
2 shared papers, latest 2026
Samir Patel
Department of Laboratory Medicine & Pathobiology
2 shared papers, latest 2026
Samira Mubareka
Department of Laboratory Medicine & Pathobiology
2 shared papers, latest 2026
Julianne Kus
Department of Laboratory Medicine & Pathobiology
2 shared papers, latest 2026
Kevin Barker
Department of Laboratory Medicine & Pathobiology
2 shared papers, latest 2026
Manal Tadros
Department of Laboratory Medicine & Pathobiology
2 shared papers, latest 2025
Huda Almohri
Department of Pathology and Molecular Medicine
2 shared papers, latest 2026
Gregory Tyrrell
Medicine
2 shared papers, latest 2025
Irene Armstrong
Clinical Public Health Division
2 shared papers, latest 2026
Neil Rau
Department of Medicine
1 shared papers, latest 2016
Sharon Sukhdeo
Department of Medicine
1 shared papers, latest 2025
Rob Fowler
Institute of Health Policy, Management, and Evaluation
1 shared papers, latest 2021
Dhruvin Hirpara
Department of Surgery
1 shared papers, latest 2017
Linda Taggart
Department of Medicine
1 shared papers, latest 2017
Daniel Ricciuto
Department of Medicine
1 shared papers, latest 2025
Jonathan Gubbay
Institute of Biomaterials & Biomedical Engineering
1 shared papers, latest 2017
Srinivas Murthy
Faculty
1 shared papers, latest 2021
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Profile data last refreshed on September 29, 2026 from the university directory, publication records and public research funding records.