Faculty profile

Elizabeth Leung

ResearcherUniversity of Toronto

This profile is built from public research funding records (CIHR, NSERC and SSHRC) and PubMed. We have not imported them from a University of Toronto directory, so their courses may be missing. Find their university profile.

Elizabeth Leung

Researcher

Health Sciences

University of Toronto

Toronto, Ontario, Canada

Supervision signals

Has led research grants, which requires an independent research appointment. Ask their department whether they supervise graduate students.
11 publications in the last five years, latest in 2026.
Senior (last) author on 2 recent papers, a sign of leading a research group.
Principal investigator on 2 research grants (2 CIHR), most recently in 2022.

These signals come from public records, including CIHR, NSERC and SSHRC funding decisions. Ask the professor or the graduate program whether they are taking new students.

Academic metrics

Publications

343

Citations

Collaborators

Grants

Publications by year

Counts cover the publications linked to this profile. Citations and the h-index appear when the source records them.

Profiles and links

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Signals and details

Research

Covid-19 Health Equity Health Systems Medications Patient Outcomes Processes Of Inpatient Care Resource Allocation Drug Shortage

Latest papers

Nudging in MicroBiology laboratory Evaluation (NiMBLE): a systematic review and meta-analysis
Clinical Microbiology and Infection (CMI) · 2026
Guidance for the Knowledge and Skills required for Antimicrobial Stewardship Leaders: an update from the Society for Healthcare Epidemiology of America, Infectious Diseases Society of America, Pediatric Infectious Diseases Society, and the Society of Infectious Diseases Pharmacists.
Antimicrobial stewardship & healthcare epidemiology : ASHE · 2026
Peri-Covid-19 Antibiotic Use and Antimicrobial Resistance in Older Adults.
2025

All 18 publications

Latest funding

A pragmatic randomized trial to evaluate the effect of a peer-comparison feedback letter on antimicrobial use in hospital-based physicians
CIHR · 2023 · Co-investigator
$634,949
A pragmatic randomized trial to evaluate the effect of a peer-comparison feedback letter on antimicrobial use in hospital-based physicians
CIHR · 2023 · Co-investigator
$300,000
Investigating variation in the inpatient allocation of scarce COVID-19 therapeutics: Equity and Clinical Outcomes
CIHR · 2022 · Principal investigator
$100,000

All 5 grants and awards

18 publications.

Nudging in MicroBiology laboratory Evaluation (NiMBLE): a systematic review and meta-analysis

Langford BJ, Leung E, Jeong E, Brown KA, Bradley-Ridout G, Sivakumar V, Taggart LR, Wong J, Scherer A, Matukas LM

Clinical Microbiology and Infection (CMI)20261 citations

DOI: 10.1016/j.cmi.2026.04.008

Guidance for the Knowledge and Skills required for Antimicrobial Stewardship Leaders: an update from the Society for Healthcare Epidemiology of America, Infectious Diseases Society of America, Pediatric Infectious Diseases Society, and the Society of Infectious Diseases Pharmacists.

Holubar M, Bhowmick T, Buckel WR, Cosgrove SE, Evans C, File TM, Fitzpatrick M, Leung E, Malani AN, Rios A, Preusker J, Nori P

Antimicrobial stewardship & healthcare epidemiology : ASHE2026

DOI: 10.1017/ash.2026.10344 PMID: 42130504

Peri-Covid-19 Antibiotic Use and Antimicrobial Resistance in Older Adults.

MacFadden DR, Maxwell C, Bowdish D, Bronskill S, Brooks J, Brown K, Burrows LL, Clarke AE, Langford BJ, Leung E

20253 citations

DOI: 10.1056/evidoa2400108

Canadian impact of CLSI aminoglycoside breakpoint changes for selected gram-negative bacteria.

Avery EG, Laughlin T, Brown K, Matukas LM, Leung E

Antimicrobial stewardship & healthcare epidemiology : ASHE2025Senior author

DOI: 10.1017/ash.2025.10035 PMID: 40612456

Diagnostic stewardship and the coronavirus disease 2019 (COVID-19) pandemic: Lessons learned for prevention of emerging infectious diseases in acute-care settings.

Epstein L, Diekema DJ, Morgan DJ, Fakih MG, Lee F, Gottlieb L, Leung E, Yen C, Sullivan KV, Hayden MK

Infection control and hospital epidemiology2024

DOI: 10.1017/ice.2023.195 PMID: 37933951

Antimicrobial resistance in patients with COVID-19: a systematic review and meta-analysis

Langford BJ, So M, Simeonova M, Leung V, Lo J, Kan T, Raybardhan S, Sapin ME, Mponponsuo K, Farrell A

The Lancet Microbe2023178 citations

DOI: 10.1016/s2666-5247(22)00355-x

Coronavirus Disease 2019 Vaccination Is Associated With Reduced Outpatient Antibiotic Prescribing in Older Adults With Confirmed Severe Acute Respiratory Syndrome Coronavirus 2: A Population-Wide Cohort Study

MacFadden DR, Maxwell C, Bowdish D, Bronskill S, Brooks J, Brown K, Burrows LL, Clarke A, Langford B, Leung E

Clinical Infectious Diseases202312 citationsOpen Access

DOI: 10.1093/cid/ciad190 PMID: W4362038795

The impact of the COVID-19 pandemic on blood culture practices and bloodstream infections

Driedger M, Daneman N, Brown K, Gold WL, Jorgensen SCJ, Maxwell C, Schwartz KL, Morris AM, Thiruchelvam D, Langford B

Microbiology Spectrum20235 citations

DOI: 10.1128/spectrum.02630-23

Impact of extended-infusion piperacillin-tazobactam in a Canadian community hospital

Chan AJ, Lebovic G, Wan M, Chen Y, Leung E, Langford BJ, Seah J, Taggart LR, Downing M

Infectious Medicine20235 citations

DOI: 10.1016/j.imj.2023.01.005

Pharmacokinetic/Pharmacodynamic Considerations of Alternate Dosing Strategies of Tocilizumab in COVID-19

Leung E, Crass RL, Jorgensen SCJ, Raybardhan S, Langford BJ, Moore WJ, Rhodes NJ

Clinical Pharmacokinetics202226 citationsFirst author

DOI: 10.1007/s40262-021-01092-0

A pragmatic randomized trial to evaluate the effect of a peer-comparison feedback letter on antimicrobial use in hospital-based physicians

Co-investigatorCIHR2023Project Grant

Principal investigators: Razak, Fahad; Daneman, Nick; Desveaux, Laura; Ivers, Noah M; McIntyre, Mark; Morris, Andrew M; Schwartz, Kevin L; Taljaard, Monica; Verma, Amol

Keywords: Antimicrobial Resistance; Antimicrobial Stewardship; Inpatient Care; Peer-Comparison Feedback Reporting; Pragmatic Randomized Trial

$634,949

A pragmatic randomized trial to evaluate the effect of a peer-comparison feedback letter on antimicrobial use in hospital-based physicians

Co-investigatorCIHR2023Project Grant - PA: ECR Antimicrobial Resistance Multi-Year Grant

Principal investigators: Razak, Fahad; Desveaux, Laura; Ivers, Noah M; McIntyre, Mark; Morris, Andrew M; Schwartz, Kevin L; Taljaard, Monica; Verma, Amol

Keywords: Antimicrobial Resistance; Antimicrobial Stewardship; Inpatient Care; Peer-Comparison Feedback Reporting; Pragmatic Randomized Trial

$300,000

Investigating variation in the inpatient allocation of scarce COVID-19 therapeutics: Equity and Clinical Outcomes

Principal investigatorCIHR2022Project Grant - PA: Pandemic Preparedness and Health Emergencies Research

Principal investigators: Razak, Fahad; Baker, Andrew J; Chan, Timothy; Gibson, Jennifer; Leung, Elizabeth; Mamdani, Muhammad; Morris, Andrew M; Pai, Menaka; Rosella, Laura C; Sarhangian, Vahid; Siddiqi, Arjumand; Verma, Amol

Keywords: Covid-19; Drug Shortages; Ethical Framework; Health Equity; Health Systems; Medications; Patient Outcomes; Processes Of Inpatient Care; Resource Allocation

$100,000

Investigating variation in the inpatient allocation of scarce COVID-19 therapeutics: Equity and Clinical Outcomes

Principal investigatorCIHR2022Pro. Gr. - PA: Pandemic Preparedness and Health Emergencies: ECI Grant

Keywords: Covid-19; Drug Shortage; Health Equity; Health Systems; Medications; Patient Outcomes; Processes Of Inpatient Care; Resource Allocation

$400,000

Incidence and risk factors of inappropriate antibiotic prescribing and related adverse health outcomes among Ontario long-term care residents and marginalized older community-dwelling adults with COVID-19 (I-CARE)

Co-investigatorCIHR2021Op. Gr.:Emerg. COVID-19 Res. Gaps & Priorities- Health care systems and services

Principal investigators: MacFadden, Derek R; Daneman, Nick; Maxwell, Colleen J; Mishra, Sharmistha; Schwartz, Kevin L

Keywords: Antibiotic Resistance; Clostridium Difficile; Covid-19; Inappropriate Antibiotic Prescribing; Long Term Care; Marginalization; Older Adults

$308,904

From CIHR, NSERC and SSHRC funding decisions: CIHR since 2008, NSERC since 1991 and SSHRC since 1998, including their latest published competition results.

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Elizabeth Leung

Research

Latest papers

Latest funding

Nudging in MicroBiology laboratory Evaluation (NiMBLE): a systematic review and meta-analysis

Guidance for the Knowledge and Skills required for Antimicrobial Stewardship Leaders: an update from the Society for Healthcare Epidemiology of America, Infectious Diseases Society of America, Pediatric Infectious Diseases Society, and the Society of Infectious Diseases Pharmacists.

Peri-Covid-19 Antibiotic Use and Antimicrobial Resistance in Older Adults.

Canadian impact of CLSI aminoglycoside breakpoint changes for selected gram-negative bacteria.

Diagnostic stewardship and the coronavirus disease 2019 (COVID-19) pandemic: Lessons learned for prevention of emerging infectious diseases in acute-care settings.

Antimicrobial resistance in patients with COVID-19: a systematic review and meta-analysis

Coronavirus Disease 2019 Vaccination Is Associated With Reduced Outpatient Antibiotic Prescribing in Older Adults With Confirmed Severe Acute Respiratory Syndrome Coronavirus 2: A Population-Wide Cohort Study

The impact of the COVID-19 pandemic on blood culture practices and bloodstream infections

Impact of extended-infusion piperacillin-tazobactam in a Canadian community hospital

Pharmacokinetic/Pharmacodynamic Considerations of Alternate Dosing Strategies of Tocilizumab in COVID-19

A pragmatic randomized trial to evaluate the effect of a peer-comparison feedback letter on antimicrobial use in hospital-based physicians

A pragmatic randomized trial to evaluate the effect of a peer-comparison feedback letter on antimicrobial use in hospital-based physicians

Investigating variation in the inpatient allocation of scarce COVID-19 therapeutics: Equity and Clinical Outcomes

Investigating variation in the inpatient allocation of scarce COVID-19 therapeutics: Equity and Clinical Outcomes

Incidence and risk factors of inappropriate antibiotic prescribing and related adverse health outcomes among Ontario long-term care residents and marginalized older community-dwelling adults with COVID-19 (I-CARE)

Frequent collaborators

Bradley Langford

Nick Daneman

Miranda So

Colleen Maxwell

Dawn Bowdish

Lori Burrows

Colleen Maxwell

Derek MacFadden

Bradley Langford

Caroline Nott

Caroline Nott

Allison McGeer

Sharmistha Mishra

Susan Bronskill

Colleen Maxwell

Derek MacFadden

Derek MacFadden

Rosane Nisenbaum

Michael Fralick

Caroline Nott

Mark McIntyre

Karen Wong

Howard Abrams

Derek MacFadden

Douglas Manuel

Aaron Campigotto

Kamran Khan

Douglas Manuel