Faculty profile

Vanessa Allen

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Associate ProfessorDepartment of Laboratory Medicine & PathobiologyUniversity of Toronto

Vanessa Allen

Associate Professor

Department of Laboratory Medicine & Pathobiology

Temerty Faculty of Medicine

University of Toronto

Toronto, Ontario, Canada

Supervision signals

Professors usually supervise graduate students in their department's programs.
3 publications in the last five years, latest in 2025.
Principal investigator on 1 research grant (1 CIHR), most recently in 2026.

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Academic metrics

Publications

177

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.

Roles and appointments

Medical Microbiology (Res) Program Director and Microbiology (Dipl) Program Director

Profiles and links

University Profile Google Scholar

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iDORCID OpenAlex

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Signals and details

Research

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

Latest papers

Invasive Group A Streptococcal Infection in Children, 1992-2023
JAMA Network Open · 2025
Can laboratory HIV and infectious syphilis data inform future pre-exposure prophylaxis use in women in Ontario, Canada?
Sexually Transmitted Infections · 2024
Combining analytical epidemiology and genomic surveillance to identify risk factors associated with the spread of antimicrobial resistance in Salmonella enterica subsp. enterica serovar Heidelberg.
Microbial genomics · 2022

All 7 publications

Latest funding

Strengthening Syphilis Surveillance Through Integrated Genomics for Public Health Action
CIHR · 2026 · Principal investigator
$1,143,676
Avian influenza suRveillance in Companion animal and Human healthcare settings [ARCH]
CIHR · 2024 · Co-investigator
$150,000
Understanding the epidemiology and burden of invasive Candidal infections and antifungal resistance in Canadian hospitals (Can-EPI-R)
CIHR · 2022 · Co-investigator
$1,522,350

All 13 grants and awards

7 publications.

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

Can laboratory HIV and infectious syphilis data inform future pre-exposure prophylaxis use in women in Ontario, Canada?

Yasamin Sadeghi, Paul Nelson, Ashleigh Sullivan, Vanessa G Allen, Maan Hasso, Juan Liu, Vanessa Tran, Darrell H. S. Tan

Sexually Transmitted Infections2024Open Access

DOI: 10.1136/sextrans-2023-055985 PMID: 38290811

Combining analytical epidemiology and genomic surveillance to identify risk factors associated with the spread of antimicrobial resistance in Salmonella enterica subsp. enterica serovar Heidelberg.

Hetman BM, Pearl DL, Barker DOR, Robertson J, Nash JHE, Reid-Smith R, Agunos A, Carrillo C, Topp E, Van Domselaar G, Parmley EJ, Bharat A, Mulvey M, Allen V, Taboada EN

Microbial genomics20225 citationsOpen Access

DOI: 10.1099/mgen.0.000891 PMID: 36748560

Diagnosis and Management of First Case of COVID-19 in Canada: Lessons Applied From SARS-CoV-1.

Marchand-Senécal X, Kozak R, Mubareka S, Salt N, Gubbay JB, Eshaghi A, Allen V, Li Y, Bastien N, Gilmour M, Ozaldin O, Leis JA

Clinical infectious diseases : an official publication of the Infectious Diseases Society of America2020139 citationsOpen Access

DOI: 10.1093/cid/ciaa227 PMID: 32147731

Diagnostic Interpretation Guidance for Pediatric Enteric Pathogens: A Modified Delphi Consensus Process

Antonia Schirmer Stang, Melanie S. Trudeau, Otto G. Vanderkooi, Bonita E. Lee, Linda Chui, Xiao-Li Pang, Vanessa G Allen, Carey‐Ann D. Burnham, David A. Goldfarb, Judy C. MacDonald, Brendon Parsons, Astrid K. Petrich, Frank Pollari, Phillip I. Tarr, Graham A. Tipples, Ran Zhuo, Stephen B. Freedman

Canadian Journal of Infectious Diseases and Medical Microbiology20187 citationsOpen Access

DOI: 10.1155/2018/2589826 PMID: 30363711

Listeria monocytogenes peritonitis in a patient on peritoneal dialysis: a case report and review of the literature.

Ahmad M, Krishnan A, Kelman E, Allen V, Bargman JM

International urology and nephrology2008

DOI: 10.1007/s11255-008-9411-2 PMID: 18563614

In the eye of the storm

Manindar Sandhu, Vanessa G Allen, Nupura Krishnadev, Allan S. Detsky

Journal of Hospital Medicine2007

DOI: 10.1002/jhm.258 PMID: 18081177

Strengthening Syphilis Surveillance Through Integrated Genomics for Public Health Action

Principal investigatorCIHR2026Project Grant

Principal investigators: Duvvuri, Venkata R; Allen, Vanessa G; Braukmann, Thomas W; Cholette, Francois; Mishra, Sharmistha; Patel, Samir; Sivro, Aida; Tran, Linh Vanessa

Keywords: Develop Genomic And Bioinformatic Pipelines; Genomic Surveillance Of T. Pallidum; Integration Of Genomics With Epidemiological & Clinical Data; Syphilis Epidemiology In Ontario And Canada; Syphilis Genomics Knowledge Translation; Treponema Pallidum Metagenomics

$1,143,676

Avian influenza suRveillance in Companion animal and Human healthcare settings [ARCH]

Co-investigatorCIHR2024Catalyst Grant: Avian Influenza OneHealth Research

Principal investigators: Fralick, Michael P; Hug, Laura A; Kassen, Rees; MacFadden, Derek R; Nott, Caroline; Wong, Alex

Keywords: Animal Shelters; Avian Influenza A; Environmental Surface Surveillance; H5n1; Hospitals; One Health; Pandemic Surveillance; Veterinary Clinics; Whole Genome Sequencing; Wildlife Rehabilitation

$150,000

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

COVID-19 Variant Network - Are healthcare workers at higher risk of COVID-19 than other working adults?

Co-investigatorCIHR2021Operating Grant: SARS-CoV-2 variants supplement stream 2

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

$100,000

The Epidemiology and Economic Burden of Hepatitis C Viral infection in the First Nations Population in Ontario

Co-investigatorCIHR2019Project Grant

Principal investigators: Krahn, Murray D; Walker, Jennifer

Keywords: Administrative Data; Costs And Cost Analysis; Epidemiology; Hepatitis C Virus

$650,250

Comprehensive Ontario Microbiology laBoratory Administrative daTa for AntiMicrobial Resistance (COMBAT-AMR)

Co-investigatorCIHR2018Project Grant

Principal investigators: Brown, Kevin A; Daneman, Nick

Keywords: Antibiotic Resistance; Antimicrobial Resistance; Epidemiology; Natural Language Processing; Population Attributable Risk; Population Health; Text Mining

$608,176

Overcoming drug resistance in gonorrhea through metabolic network analysis

Co-investigatorCIHR2018Project Grant

Principal investigators: Parkinson, John; Gray-Owen, Scott D

Keywords: Antimicrobial Resistance; Bioinformatics; Computational Biology; Constraints Based Modelling; Gonorrhea; Humanized Mouse Model; Metabolism; Population Genomics; Sexually Transmitted Infection; Systems Biology

$799,426

A community-based cohort study of HIV pre-exposure prophylaxis in Ontario

Co-investigatorCIHR2016Operating Grant - HIV/AIDS CBR Program - General

Principal investigators: Tan, Darrell H; Lisk, Ryan C

Keywords: Access To Healthcare; African, Caribbean And Black Populations; Cisgender Women; Cohort Study; Community-Based Research; Hiv/Aids; Men Who Have Sex With Men; Pre-Exposure Prophylaxis; Transgender Women

$450,000

Vaccination & screening for control sexually transmitted infections (STIs) and STI-related cancers

Co-investigatorCIHR2015Foundation Grant

Principal investigators: Burchell, Ann N

Keywords: Cancer; Diagnosis; Hiv/Aids; Screening; Sexually Transmitted Infections

$1,061,091

Reducing hospital and long term care facility C. difficile infection rates by understanding the sources of infection, measuring environmental burden, and quantifying inter-institutional patient movement

Co-investigatorCIHR2014Partnerships for Health System Improvement (PHSI)

Principal investigators: Garber, Gary E; McGeer, Allison J

Keywords: Antibiotics; Antimicrobial Stewardship; Clostridium Difficile Infection; Environmental Contamination With Clostridium Difficile Spore; Epidemiology; Hospital Cleaning; Infection Prevention And Control; Long Term Care Facilities; Nosocomial; Transmission

$390,000

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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Vanessa Allen

Research

Latest papers

Latest funding

Invasive Group A Streptococcal Infection in Children, 1992-2023

Can laboratory HIV and infectious syphilis data inform future pre-exposure prophylaxis use in women in Ontario, Canada?

Combining analytical epidemiology and genomic surveillance to identify risk factors associated with the spread of antimicrobial resistance in Salmonella enterica subsp. enterica serovar Heidelberg.

Diagnosis and Management of First Case of COVID-19 in Canada: Lessons Applied From SARS-CoV-1.

Diagnostic Interpretation Guidance for Pediatric Enteric Pathogens: A Modified Delphi Consensus Process

Listeria monocytogenes peritonitis in a patient on peritoneal dialysis: a case report and review of the literature.

In the eye of the storm

Frequent collaborators

Samira Mubareka

Kevin Barker

Vanessa Tran

Manal Tadros

Matthew Muller

Manindar Sandhu

Christopher Kandel

Ari Bitnun

Ian Kitai

Sergio Borgia

Huda Almohri

Stephen Freedman

Darrell Tan

Allison McGeer

Sharon Walmsley

Edward Topp

Jonathan Gubbay

Tony Mazzulli

Susan Poutanen

Antonia Stang

Graham Tipples

Andrew Simor

Samir Patel

Aaron Campigotto

Phil Tarr

Julianne Kus

Gregory Tyrrell

Jennie Johnstone