Faculty profile

Todd Hatchette

ResearcherPediatricsDalhousie University

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

Todd Hatchette

Researcher

Pediatrics

Health Sciences

Dalhousie University

Halifax, Nova Scotia, Canada

Supervision signals

Has led research grants, which requires an independent research appointment. Ask their department whether they supervise graduate students.
14 publications in the last five years, latest in 2026.
Senior (last) author on 1 recent paper, a sign of leading a research group.
Principal investigator on 5 research grants (5 CIHR), most recently in 2024.

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

405

Citations

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Collaborators

Grants

Publications by year

Counts cover the works listed on the university profile; citation counts come from Dimensions.

Profiles and links

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Signals and details

Research

Adverse Events Following Immunization Immunogenicity Population-Based Methodology Rapid Response Research Capacity Vaccine Coverage Vaccine Hesitancy Vaccine Effectiveness Vaccine Safety

Latest papers

Laboratory diagnosis of pertussis: A survey on provincial public health laboratory methods.
Canada communicable disease report = Releve des maladies transmissibles au Canada · 2026
AMMI Canada seasonal influenza guideline update 2025-26: Some questions answered.
Journal of the Association of Medical Microbiology and Infectious Disease Canada = Journal officiel de l'Association pour la microbiologie medicale et l'infectiologie Canada · 2026
Assessing measles immunity in individuals of childbearing age in Toronto, Ontario, Canada.
The Journal of infection · 2026

All 31 publications

Latest funding

Canadian Immunization Research Network (CIRN) Renewal
CIHR · 2024 · Principal investigator
Open-label, phase 1/2, dose-escalation and dose-confirmation clinical trial to establish a Controlled Human Infection Model (CHIM) by determining and confirming the optimal, safe, and reproducible Influenza A:H3N2 dose administered intranasally to healthy adults 18-40 years of age that induces mild symptomatic infection and detection of Influenza A:H3N2 in nasal secretions by culture and/or PCR
CIHR · 2023 · Co-investigator
$4,569,190
Open-label, phase 1/2, dose-escalation and dose-confirmation clinical trial to establish a Controlled Human Infection Model (CHIM) by determining and confirming the optimal, safe, and reproducible Influenza A:H3N2 dose administered intranasally to healthy adults 18-40 years of age that induces mild symptomatic infection and detection of Influenza A:H3N2 in nasal secretions by culture and/or PCR
CIHR · 2023 · Co-investigator
$1,142,297

All 14 grants and awards

31 publications.

Laboratory diagnosis of pertussis: A survey on provincial public health laboratory methods.

Meilleur C, Grant J, Tyrrell G, Minion J, Van Caeseele P, Kus J, Lefebvre B, Hatchette T, Desnoyers G, Jiao L, Paulin H, Tsang R

Canada communicable disease report = Releve des maladies transmissibles au Canada2026

DOI: 10.14745/ccdr.v52i05a03 PMID: 42368399

AMMI Canada seasonal influenza guideline update 2025-26: Some questions answered.

Harrison R, Reid EK, Allen UD, Papenburg J, Skowronski DM, Mubareka S, Hatchette T, Evans GA

Journal of the Association of Medical Microbiology and Infectious Disease Canada = Journal officiel de l'Association pour la microbiologie medicale et l'infectiologie Canada2026

DOI: 10.3138/jammi-2026-0105 PMID: 42131379

Assessing measles immunity in individuals of childbearing age in Toronto, Ontario, Canada.

Osman S, Science M, McLachlan E, Severini A, Arnold C, Petel D, Hatchette T, Deeks S, Halperin SA, Wright J, Brown K, Richardson S, Campigotto A, Crowcroft N, Bolotin S

The Journal of infection2026

DOI: 10.1016/j.jinf.2026.106701 PMID: 41692289

Investigating the measles susceptibility gap in Ontario infants.

Bolotin S, Wright J, McLachlan E, Severini A, Hatchette T, Crowcroft N, Deeks S, Arnold C, Osman S, Brown K, Halperin S, Campigotto A, Richardson S, Science M

Vaccine2025

DOI: 10.1016/j.vaccine.2025.126908 PMID: 40048933

Population immunity to varicella in Canada: A Canadian Immunization Research Network (CIRN) study.

Wright J, Crowcroft N, McLachlan E, Perez-Iratxeta C, Joh E, Osman S, Hatchette T, Deeks SL, Wilson SE, Hughes SL, Halperin SA, Buchan SA, Ward BJ, Gubbay J, Brisson M, Serhir B, Severini A, Bolotin S

PloS one2024

DOI: 10.1371/journal.pone.0309154 PMID: 39159217

Retrospective validation of a rapid Lyme fluorescent immunoassay in differentiating Lyme arthritis from other musculoskeletal presentations in children in a Lyme-endemic region.

Donovan A, Quilty R, Joy BK, Seddigh S, Coatsworth H, Gauthier L, Comeau JL, Lang B, Leblanc J, Hatchette T, Stringer E

Microbiology spectrum2024

DOI: 10.1128/spectrum.03593-23 PMID: 38682930

SARS-CoV-2 seroprevalence in Nova Scotia blood donors.

O'Brien SF, Deeks SL, Hatchette T, Pambrun C, Drews SJ

Journal of the Association of Medical Microbiology and Infectious Disease Canada = Journal officiel de l'Association pour la microbiologie medicale et l'infectiologie Canada2024

DOI: 10.3138/jammi-2023-0017 PMID: 38567363

Uptake of pertussis immunization in pregnancy and determinants of vaccination in Toronto, Canada.

Wright J, Science M, Osman S, Arnold C, Sumaida M, Crowcroft N, Deeks SL, Brown K, Halperin S, Hatchette T, McLachlan E, Campigotto A, Richardson S, Bolotin S

Vaccine2023

DOI: 10.1016/j.vaccine.2023.10.020 PMID: 37845156

Maternal varicella antibodies in children aged less than one year: Assessment of antibody decay.

Bolotin S, Hughes SL, Savage RD, McLachlan E, Severini A, Arnold C, Richardson S, Crowcroft NS, Deek S, Halperin SA, Brown KA, Hatchette T, Osman S, Gubbay JB, Science M

PloS one2023

DOI: 10.1371/journal.pone.0287765 PMID: 37948389

Immunity of Canadians and risk of epidemics workshop - Conference report.

Bolotin S, Osman S, Halperin S, Severini A, Ward BJ, Sadarangani M, Hatchette T, Pebody R, Winter A, De Melker H, Wheeler AR, Brown D, Tunis M, Crowcroft N

Vaccine2023

DOI: 10.1016/j.vaccine.2023.07.023 PMID: 37827968

Canadian Immunization Research Network (CIRN) Renewal

Principal investigatorCIHR2024Canadian Immunization Research Network - Full application

Principal investigators: Halperin, Scott A; Andrew, Melissa K; Bettinger, Julie A; Bolotin, Shelly; Brisson, Marc; Buchan, Sarah; Cowan, Juthaporn; Dubé, Eve; Greyson, Devon; Hatchette, Todd F; Heffernan, Jane M; Kwong, Jeffrey C; Langley, Joanne M; MacDonald, Shannon E; McNeil, Shelly A; Muller, Matthew P; Parsons Leigh, Jeanna J; Sadarangani, Manish; Top, Karina A

Keywords: Adverse Events Following Immunization; Immunogenicity; Population-Based Methodology; Rapid Response Research Capacity; Vaccine Coverage; Vaccine Effectiveness; Vaccine Hesitancy; Vaccine Modeling And Economic Analysis; Vaccine Safety; Vulnerable Populations

Open-label, phase 1/2, dose-escalation and dose-confirmation clinical trial to establish a Controlled Human Infection Model (CHIM) by determining and confirming the optimal, safe, and reproducible Influenza A:H3N2 dose administered intranasally to healthy adults 18-40 years of age that induces mild symptomatic infection and detection of Influenza A:H3N2 in nasal secretions by culture and/or PCR

Co-investigatorCIHR2023Operating Grant: Clinical Trials Projects

Principal investigators: Halperin, Scott A; Ward, Brian J

Keywords: Challenge Study; Challenge Unit; Controlled Human Infection Model (Chim); Dose-Finding; Dose-Ranging; Healthy Adults; Influenza Virus; Pandemic Preparedness; Phase 1/2 Clinical Trial

$4,569,190

Open-label, phase 1/2, dose-escalation and dose-confirmation clinical trial to establish a Controlled Human Infection Model (CHIM) by determining and confirming the optimal, safe, and reproducible Influenza A:H3N2 dose administered intranasally to healthy adults 18-40 years of age that induces mild symptomatic infection and detection of Influenza A:H3N2 in nasal secretions by culture and/or PCR

Co-investigatorCIHR2023Operating Grant: Clinical Trials Projects - Indirect Costs

Principal investigators: Halperin, Scott A; Ward, Brian J

Keywords: Challenge Study; Challenge Unit; Controlled Human Infection Model (Chim); Dose-Finding; Dose-Ranging; Healthy Adults; Influenza Virus; Pandemic Preparedness; Phase 1/2 Clinical Trial

$1,142,297

Pharmacy-based Testing and Treatment for Gonorrhea and Chlamydia

Co-investigatorCIHR2023Cat. Gr.: STBBI Res.: Beyond HIV/AIDS/Hep. C- STBBI other than HIV/hep. C (gen.)

Principal investigators: Wilby, Kyle J; Bishop, Andrea C; Ramsey, Tasha D

Keywords: Chlamydia; Gonorrhea; Pharmacy; Sexually Transmitted Infections

$92,591

Development of a near-care diagnostic test for Lyme disease

Co-investigatorNSERC2020Collaborative Health Research Projects

Principal investigators: Frampton, John

$491,706

Canadian Immunization Research Network: COVID-19 Vaccine Readiness

Principal investigatorCIHR2020Canadian Immunization Research Network: COVID-19 Vaccine Readiness Funding Opp

Principal investigators: Halperin, Scott A; Andrew, Melissa K; Bettinger, Julie A; Bolotin, Shelly; Brisson, Marc; De Serres, Gaston; De Wals, Philippe; Deeks, Shelley L; Dubé, Eve; Hatchette, Todd F; Kellner, James D; Kwong, Jeffrey C; Langley, Joanne M; Loeb, Mark B; MacDonald, Shannon E; McNeil, Shelly A; Top, Karina A; Ward, Brian J

Keywords: Adverse Events Following Immunization; Clinical Trials Capacity And Readiness; Immunogenicity; Knowledge Translation; Population-Based Methodology; Rapid Response Research Capacity; Vaccine Coverage; Vaccine Hesitancy; Vaccine Modeling; Vaccine Safety And Effectiveness

Development of a near-care diagnostic test for Lyme disease

Principal investigatorCIHR2019Collaborative Health Research Projects (NSERC partnered)

Principal investigators: Frampton, John P; Moore, Kieran M; Hatchette, Todd F

Keywords: Diagnostic Test; Immunoassay; Lab-On-A-Chip; Lyme Disease; Microdevice; Multiplex Detection; Protein Biomarker; Proteomics

$460,441

Investigating the role of repeated low-dose infections in Chlamydia pathogenesis.

Co-investigatorCIHR2018Project Grant

Principal investigators: Wang, Jun

Keywords: Animal Model; Cd4 T Helper; Cellular Immunity, Antibody; Chlamydia; Immunopathology; Infection; Innate-Like B1 Cells; Regulatory T Cells; Sti; Th1, Th17, Tfh

$650,250

Canadian Immunization Research Network

Co-investigatorCIHR2017Canadian Immunization Research Network - Full application

Principal investigators: Halperin, Scott A; Andrew, Melissa K; Bettinger, Julie A; Bolotin, Shelly; Brisson, Marc; Burchell, Ann N; Coleman, Brenda L; Crowcroft, Natasha S; De Serres, Gaston; De Wals, Philippe; Deeks, Shelley L; Doroshenko, Alexander; Dubé, Eve; Gagneur, Arnaud A; Kwong, Jeffrey C; Langley, Joanne M; Loeb, Mark B; McNeil, Shelly A; Sadarangani, Manish; Top, Karina A; Ulanova, Marina; Ward, Brian J

$932,667

Moving Beyond Piloting: A Social Ecological Exploration of Barriers and Facilitators to Scaling up HIV Point-Of-Care Testing (HIV POCT) in Canada.

Co-investigatorCIHR2016Catalyst Grant: HIV/AIDS CBR Program - General Stream

Principal investigators: Gahagan, Jacqueline C; Pindera, Carla

Keywords: Access; Community Health Promotion; Health Equity; Health Services; Hiv Point-Of-Care Testing; Hiv/Aids; Mapping; Pilot Programs

$33,000

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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Todd Hatchette

Research

Latest papers

Latest funding

Laboratory diagnosis of pertussis: A survey on provincial public health laboratory methods.

AMMI Canada seasonal influenza guideline update 2025-26: Some questions answered.

Assessing measles immunity in individuals of childbearing age in Toronto, Ontario, Canada.

Investigating the measles susceptibility gap in Ontario infants.

Population immunity to varicella in Canada: A Canadian Immunization Research Network (CIRN) study.

Retrospective validation of a rapid Lyme fluorescent immunoassay in differentiating Lyme arthritis from other musculoskeletal presentations in children in a Lyme-endemic region.

SARS-CoV-2 seroprevalence in Nova Scotia blood donors.

Uptake of pertussis immunization in pregnancy and determinants of vaccination in Toronto, Canada.

Maternal varicella antibodies in children aged less than one year: Assessment of antibody decay.

Immunity of Canadians and risk of epidemics workshop - Conference report.

Development of a near-care diagnostic test for Lyme disease

Frequent collaborators

Shelly Bolotin

Jonathan Gubbay

Michelle Science

Mark Loeb

Allison McGeer

James Wright

Scott Halperin

Anne McCarthy

Makeda Semret

Marc Brisson

Aaron Campigotto

Shelley Deeks

Marek Smieja

Max Chernesky

Sam Ratnam

Janet McElhaney

Sarah Wilson

Sunita Mulpuru

Rachel Savage

Tony Mazzulli

Stephen Betschel

Isha Berry

Jeff Kwong

Samira Mubareka

Gary Garber

Beate Sander

Natasha Crowcroft

Manish Sadarangani

Craig McCormick

Guy Boivin

Joanne Langley

Mario Ostrowski

Brian Ward

Jun Liu

Ron Goeree

Jonathan Bramson