Faculty profile

Christopher Kandel

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Assistant ProfessorDepartment of MedicineUniversity of Toronto

Christopher Kandel

Assistant Professor

Department of Medicine

Temerty Faculty of Medicine

University of Toronto

Toronto, Ontario, Canada

Supervision signals

Professors usually supervise graduate students in their department's programs.
17 publications in the last five years, latest in 2026.
Senior (last) author on 3 recent papers, a sign of leading a research group.

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

Academic metrics

Publications

549

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

Read how they describe their research on their University of Toronto profile.

Latest papers

Defining a Non-Inferiority Margin for Delirium Resolution in a Clinical Trial of Older Adults With Bacteriuria and Abnormal Urine Tests.
Journal of the American Geriatrics Society · 2026
Early COVID-19 and Severity of Subsequent Omicron Infection in Ontario Canada.
Influenza and other respiratory viruses · 2026
Antibiotics for Delirium in Older Adults With No Clear Urinary Tract Infection: A Multicentre, Pragmatic, Randomized Trial-Vanguard Results.
Journal of the American Geriatrics Society · 2026 · senior author

All 22 publications

Latest funding

Investigating the genomic epidemiology, transmission, and infectivity of the non-influenza respiratory viruses
CIHR · 2025 · Co-investigator
$722,925
BALANCE+: A Platform Trial for Gram Negative Bloodstream Infections
CIHR · 2025 · Co-investigator
$1,908,674
CAMP 2.0 An Ongoing Community-based Interdisciplinary Model for Mpox pandemic Preparedness
CIHR · 2025 · Co-investigator
$350,000

All 19 grants and awards

22 publications.

Defining a Non-Inferiority Margin for Delirium Resolution in a Clinical Trial of Older Adults With Bacteriuria and Abnormal Urine Tests.

Bogler O, Fralick M, Kandel C, Stall NM, Prabaharan G, Hodzic-Santor E, Marcantonio ER, Reppas-Rindlisbacher C

Journal of the American Geriatrics Society20261 citationsOpen Access

DOI: 10.1111/jgs.70408 PMID: 41918398

Early COVID-19 and Severity of Subsequent Omicron Infection in Ontario Canada.

Kassee C, Shigayeva A, Kandel C, Farooqi L, Zhong Z, Gingras AC, Coleman BL, Gilbert L, Gold WL, Major M, Mazzulli T, Mubareka S, Valluri SR, Martin C, Kyaw MH, McLaughlin JM, McGeer A

Influenza and other respiratory viruses2026Open Access

DOI: 10.1111/irv.70197 PMID: 41527184

Antibiotics for Delirium in Older Adults With No Clear Urinary Tract Infection: A Multicentre, Pragmatic, Randomized Trial-Vanguard Results.

Fralick M, Stall NM, Zorcic K, Reppas-Rindlisbacher C, Kaplovitch E, Li AS, MacFadden DR, Kobewka D, Castellani L, Parsons P, McGeer A, McCready J, Lim B, Hodzic-Santor E, Kandel C, A‐DONUT Study Team

Journal of the American Geriatrics Society2026Senior authorOpen Access

DOI: 10.1111/jgs.70480 PMID: 42175687

Assessing SARS-CoV-2 immune markers in vaccinated asymptomatic adults after household exposure in Canada (AB-PROTECT): a prospective cohort study

Kandel C, Breznik JA, Taylor M, Colwill K, Hu Q, Llanes A, Crowl G, Elliott HD, Shi G, Li XA

The Lancet Microbe2026First authorOpen Access

DOI: 10.1016/j.lanmic.2026.101500

Respiratory Outbreak Mitigation With Point-of-Care Testing in Long-Term Care: A Randomized Clinical Trial.

Kandel C, Oriotis D, Candon HL, Callahan J, Chan CK, Truong A, Rookwood A, Suleiman S, Rosario C, Wong BM, Palmer SJ, Pascual B, Serapion V, Marcovici L, Feldman S, Yip PM, Kozak RA, Taylor T, Sanstrom P, Kirk K, Eplett J, Chawla R, Brown KA, Brasg I, Powis J, Leis JA

JAMA internal medicine2026First authorOpen Access

DOI: 10.1001/jamainternmed.2026.2644 PMID: 42406366

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

JAMMI2026Open Access

DOI: 10.3138/jammi-2025-0027

Language Preference and Antibiotic Use Among Hospitalized Older Adults With Dementia.

Park H, Bagit A, McCann B, Shin S, Rawal S, Kandel C, Reppas-Rindlisbacher C

Journal of the American Geriatrics Society2026

DOI: 10.1111/jgs.70270 PMID: 41452275

Utility of Serum Biomarkers in Addition to Ultrasound for Early Detection of Hepatocellular Carcinoma in High-Risk Patients: A Randomized Controlled Trial.

Hirode G, Zangneh HF, Cerocchi O, Khalili K, El-Karim LA, Kandel C, Vecchio M, Winick J, Mori Y, Yamada H, Janssen HLA, Hansen BE, Sherman M, Feld JJ

Gastroenterology2026

DOI: 10.1053/j.gastro.2025.09.010 PMID: 41556856

Prevalence of and risk factors for antimicrobial resistance in pneumococcal disease in southern Ontario during the PCV13 era.

Shigayeva A, Coleman BL, Golden AR, Martin I, Zhanel G, Adam H, Gold WL, Kandel C, Katz KC, Krajden S, Lovinsky R, Muller MP, Ostrowska K, Rau N, Ricciuto D, Richardson D, Vermeiren C, Faheem A, Farooqi L, Green K, Hassan K, Lefebvre M, Li AX, Malik N, Nayani S, Pejkovska M, Plevneshi A, Sultana A, Vikulova T, Zhong Z, McGeer A, Toronto Invasive Bacterial Diseases Network

Vaccine2026

DOI: 10.1016/j.vaccine.2026.128351 PMID: 41785682

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

JAMA Network Open202526 citationsOpen Access

DOI: 10.1001/jamanetworkopen.2025.2861

Investigating the genomic epidemiology, transmission, and infectivity of the non-influenza respiratory viruses

Co-investigatorCIHR2025Project Grant

Principal investigators: Kozak, Robert A; McGeer, Allison J

Keywords: Nosocomial Outbreaks; Respiratory Viruses; Rna Viruses; Transmission; Whole Genome Sequencing

$722,925

BALANCE+: A Platform Trial for Gram Negative Bloodstream Infections

Co-investigatorCIHR2025Project Grant

Principal investigators: Daneman, Nick; Fowler, Robert A; Johnstone, Jennie; Lee, Todd C; MacFadden, Derek R; McDonald, Emily G; Ong, Sean W; Pinto, Ruxandra; Rogers, Benjamin A

Keywords: Adaptive Platform Trial; Antibiotic De-Escalation; Antibiotic Duration; Antibiotic Oral Switch; Antimicrobial Resistance; Bloodstream Infection; Central Venous Catheter Infection; Gram Negative Bacteremia; Randomized Clinical Trial

$1,908,674

CAMP 2.0 An Ongoing Community-based Interdisciplinary Model for Mpox pandemic Preparedness

Co-investigatorCIHR2025Team Grant: Monkeypox Rapid Research Response - Extension

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

$350,000

Evaluating the impact of a SIMPlified LaYered consent process versus a conventional informed consent form on recruitment of potential participants to a large platform clinical trial: a pragmatic nested randomized controlled trial (SIMPLY-SNAP Trial) - Full Proposal

Co-investigatorCIHR2023Project Grant

Principal investigators: Daneman, Nick; Cheng, Matthew P; Johnstone, Jennie; Lee, Todd C; McDonald, Emily G; Ong, Sean W; Tong, Steven

Keywords: Informed Consent; Patient Education; Process Measures; Randomized Clinical Trials

$149,176

Investigating the genomic epidemiology, transmission, and infectivity of the non-influenza respiratory viruses

Co-investigatorCIHR2023Project Grant - PA: Pandemic Preparedness and Health Emergencies Research

Principal investigators: Kozak, Robert A; McGeer, Allison J

Keywords: Infectivity; Long-Term Care; Nosocomial Outbreaks; Respiratory Viruses; Rna Viruses; Transmission; Whole-Genome Sequencing

$100,000

STARS: Surveillance and Testing for Antiviral Resistance in SARS-CoV-2

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

Principal investigators: Kozak, Robert A; McGeer, Allison J

Keywords: Antiviral Resistance; Drug Efficacy; Laboratory Testing; Transmission; Whole-Genome Sequencing

$400,000

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

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

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 Shortage; Health Equity; Health Systems; Medications; Patient Outcomes; Processes Of Inpatient Care; Resource Allocation

$400,000

BALANCE+: A Platform Trial for Gram Negative Bloodstream Infections

Co-investigatorCIHR2022Operating Grant: Clinical Trials Projects

Principal investigators: Daneman, Nick; Murthy, Srinivas; Yamamura, Deborah L; Fowler, Robert A; Johnstone, Jennie; Lee, Todd C; MacFadden, Derek R; McDonald, Emily G; Paterson, David L; Rogers, Benjamin A; Yahav, Dafna

Keywords: Adaptive Platform Trial; Antibiotic De-Escalation; Antibiotic Step-Down; Antimicrobial Resistance; Bloodstream Infection; Central Venous Catheter Infection; Gram Negative Bacteremia; Randomized Controlled Trial

$2,919,785

Understanding the epidemiology and burden of invasive Candidal infections and antifungal resistance in Canadian hospitals (Can-EPI-R)

Co-investigatorCIHR2022Project Grant

Principal investigators: McGeer, Allison J; Kus, Julianne V

Keywords: Antifungal Resistance; Epidemiology; Fungal Infections

$1,522,350

Canada-Africa Monkeypox Partnership (CAMP): Characterizing transmission dynamics and evaluating medical countermeasures to inform the clinical and public health response to Mpox

Co-investigatorCIHR2022Team Grant: Monkeypox Rapid Research Response

Keywords: Clinical Trial; Epidemiology; Mathematical Modeling; Prospective Cohort; Vaccine Effectiveness; Veterinary Medicine; Virology

$2,000,000

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.

Profile data last refreshed on September 29, 2026 from the university directory, publication records and public research funding records.

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Christopher Kandel

Research

Latest papers

Latest funding

Defining a Non-Inferiority Margin for Delirium Resolution in a Clinical Trial of Older Adults With Bacteriuria and Abnormal Urine Tests.

Early COVID-19 and Severity of Subsequent Omicron Infection in Ontario Canada.

Antibiotics for Delirium in Older Adults With No Clear Urinary Tract Infection: A Multicentre, Pragmatic, Randomized Trial-Vanguard Results.

Assessing SARS-CoV-2 immune markers in vaccinated asymptomatic adults after household exposure in Canada (AB-PROTECT): a prospective cohort study

Respiratory Outbreak Mitigation With Point-of-Care Testing in Long-Term Care: A Randomized Clinical Trial.

Incidence of colonization and infection with carbapenemase-producing Enterobacterales in Toronto and Peel Region, Ontario, 2007-2024.

Language Preference and Antibiotic Use Among Hospitalized Older Adults With Dementia.

Utility of Serum Biomarkers in Addition to Ultrasound for Early Detection of Hepatocellular Carcinoma in High-Risk Patients: A Randomized Controlled Trial.

Prevalence of and risk factors for antimicrobial resistance in pneumococcal disease in southern Ontario during the PCV13 era.

Invasive Group A Streptococcal Infection in Children, 1992-2023

Frequent collaborators

Allison McGeer

Tony Mazzulli

Michael Fralick

Samira Mubareka

Janine McCready

Robert Kozak

Sergio Borgia

Nathan Stall

Derek MacFadden

Kevin Katz

Jennie Johnstone

Anne-Claude Gingras

Jeff Powis

Bettina Hansen

Kevin Barker

Matthew Muller

Deborah Yamamura

Mia Biondi

Huda Almohri

Samir Patel

Jordan Feld

Julianne Kus

Abhijat Kitchlu

Amit Atrey

James Waddell

Amir Khoshbin

Ari Bitnun

Eric Kaplovitch

Ian Kitai

Shail Rawal