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Claude Fortin

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ProfessorDépartement de microbiologie, infectiologie et immunologieUniversité de Montréal

Claude Fortin

Professor

Département de microbiologie, infectiologie et immunologie

Université de Montréal

Montreal, Quebec, Canada

Supervision signals

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13 publications in the last five years, latest in 2026.

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Academic metrics

Publications

1,377

Citations

113

Collaborators

Grants

Publications by year

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Research

Read how they describe their research on their Université de Montréal profile.

Latest papers

Diagnosis of chlamydial and gonococcal conjunctivitis: performance evaluation of a nucleic acid amplification test
Microbiology Spectrum · 2026
5' leader defects drive persistent HIV-1 viremia on long-term ART.
Nature communications · 2026
Incidence and risk factors of C. trachomatis, N. gonorrhoeae and syphilis among a cohort of urban Canadian gay, bisexual and other men who have sex with men, 2017-2023: informing the potential impact of doxycycline prophylaxis.
BMJ open · 2026

All 59 publications

Latest funding

Feasibility and acceptability of sexually transmitted and blood-borne infections screening of partners of pregnant persons
CIHR · 2025 · Co-investigator
$439,874
COVIH study: COVID-19 burden in HIV infected individuals.
CIHR · 2021 · Co-investigator
$497,000
Discovering pathways to successful aging in HIV infection
CIHR · 2018 · Co-investigator
$2,476,710

All 5 grants and awards

59 publications.

Diagnosis of chlamydial and gonococcal conjunctivitis: performance evaluation of a nucleic acid amplification test

Olivier Bédard, Émilie Vallières, Julie Vadboncoeur, Patrick Hamel, Christian Lavallée, Brigitte Lefebvre, Judith Fafard, Simon Lévesque, Mariam Ag Bazet, Claude Fortin, Annie‐Claude Labbé

Microbiology Spectrum2026Open Access

DOI: 10.1128/spectrum.00701-26 PMID: 42429409

5' leader defects drive persistent HIV-1 viremia on long-term ART.

Box JR, Camilo-Contreras A, Dragoni F, Yue FY, Matveev V, Foley J, Zhang J, Mok YW, DeSousa M, Lai J, Mulcare Z, Bakewell Z, Poulin S, Chano F, Fortin C, Tremblay C, Blankson JN, Krishnan S, Weld ED, Basseth C, Hamill MM, Hoffmann CJ, Scully EP, Jones JL, Cox AL, El Atrouni W, Sha B, Siliciano JD, Siliciano RF, Reinhard R, Gunst JD, Ostrowski M, Maldarelli F, Kovacs C, Simonetti FR

Nature communications2026Open Access

DOI: 10.1038/s41467-026-73475-5 PMID: 42259781

Incidence and risk factors of C. trachomatis, N. gonorrhoeae and syphilis among a cohort of urban Canadian gay, bisexual and other men who have sex with men, 2017-2023: informing the potential impact of doxycycline prophylaxis.

Lambert G, Fourmigue A, Dvorakova M, Moodie EEM, Moore D, Lachowsky NJ, Grace D, Hart TA, Tan DHS, Jollimore J, Labbé AC, Fortin C, Maheu-Giroux M, Hull M, Grennan T, Brunelle-Newman S, Zhang T, Lal A, Gormezano A, Cox J

BMJ open2026Open Access

DOI: 10.1136/bmjopen-2025-111357 PMID: 42191194

Opposite Roles of IL-32α Versus IL-32β/γ Isoforms in Promoting Monocyte-Derived Osteoblast/Osteoclast Differentiation and Vascular Calcification in People with HIV.

Ramani H, Cleret-Buhot A, Sylla M, Bunet R, Bertrand F, Peet MM, Chartrand-Lefebvre C, Trottier B, Thomas R, Routy JP, Fortin C, Martel-Laferrière V, Sadouni M, Cloutier G, Allard L, Kizer JR, Chomont N, Ancuta P, Hanna DB, Kaplan RC, Jenabian MA, Landay AL, Durand M, El-Far M, Tremblay CL

Cells20258 citationsOpen Access

DOI: 10.3390/cells14070481 PMID: 40214435

Syphilitic bi-valvular endocarditis and myocarditis: modern tools applied to long-forgotten complications of a re-emerging disease.

LeBlanc L, Touati D, Lévesque S, Marouan S, Fortin C, Pépin J, Maya C, Bourque C

The Lancet. Infectious diseases20254 citations

DOI: 10.1016/s1473-3099(24)00650-9 PMID: 39832511

Extensively Drug-Resistant Neisseria gonorrhoeae Strain, Canada

Brigitte Lefebvre, Irene Etayo Martín, Robyn Thorington, Julian Gitelman, Andrew Bui-Nguyen, Claude Fortin, Judith Fafard

Emerging infectious diseases20252 citationsOpen Access

DOI: 10.3201/eid3107.250023 PMID: 40563105

Mycoplasma genitalium infection among gay, bisexual and other men who have sex with men in Montréal, Canada

Anne-Sophie Lê, Annie‐Claude Labbé, Alain Fourmigue, Milada Dvořáková, Joseph Cox, Claude Fortin, Irene Etayo Martín, Daniel Grace, Trevor Adam Hart, David M. Moore, Gilles Lambert, the Engage Study Team

2024Open Access

DOI: 10.32920/25461097

Mycoplasma genitalium infection among gay, bisexual and other men who have sex with men in Montréal, Canada

2024Open Access

DOI: 10.32920/25461097.v1

Mycoplasma genitalium infection among gay, bisexual and other men who have sex with men in Montréal, Canada.

Lê AS, Labbé AC, Fourmigue A, Dvorakova M, Cox J, Fortin C, Martin I, Grace D, Hart T, Moore D, Lambert G, Engage Study Team

Canada communicable disease report = Releve des maladies transmissibles au Canada20236 citationsOpen Access

DOI: 10.14745/ccdr.v49i1112a03 PMID: 38504874

Infection à Mycoplasma genitalium chez les hommes gais, bisexuels et autres hommes ayant des relations sexuelles avec des hommes à Montréal, Canada

l'équipe de l'étude Engage, Anne-Sophie Lê, Annie-Claude Labbé, Alain Fourmigue, Milada Dvořáková, Joseph Cox, Claude Fortin, Irene Etayo Martín, Daniel Grace, Trevor Adam Hart, David M. Moore, Gilles Lambert

Relevé des maladies transmissibles au Canada2023Open Access

DOI: 10.14745/ccdr.v49i1112a03f

Feasibility and acceptability of sexually transmitted and blood-borne infections screening of partners of pregnant persons

Co-investigatorCIHR2025Project Grant

Principal investigators: Martel-Laferrière, Valérie

Keywords: Pregnant Persons' Partners; Sexually Transmitted And Blood-Borne Infections

$439,874

COVIH study: COVID-19 burden in HIV infected individuals.

Co-investigatorCIHR2021Op. Gr.:Emerging COVID-19 Res. Gaps & Priorities - HIV and SARS-CoV-2

Principal investigators: Tremblay, Cécile L; Monteith, Kenneth M; Durand, Madeleine

Keywords: Antibodies; Clinical Course; Covid-19; Epidemiology; Hiv; Immune Responses; Immunocompromised; Sars-Cov-2; Vaccine

$497,000

Discovering pathways to successful aging in HIV infection

Co-investigatorCIHR2018Team Grant - HIV/AIDS Comorbidities Prevention and Healthy Living

Principal investigators: Durand, Madeleine; Margolese, Shari L; Bernard, Nicole F; Chartrand-Lefebvre, Carl; Chomont, Nicolas; Jenabian, Mohammad-Ali; Mansour, Samer; Tremblay, Cécile L; Tsoukas, Christos M

Keywords: Aging; Cardiovascular; Cardiovascular Imaging; Frailty; Hiv; Hiv Reservoirs; Immune Activation; Sex Ang Gender

$2,476,710

Discovering immune pathways to successful aging in HIV infection

Co-investigatorCIHR2017Team Grant: HIV/AIDS Comorbidities Prevention and Healthy Living - LOI

Keywords: Cardiovascular; Cohort Study; Frailty; Hiv; Immunology; Viral Reservoirs

$25,000

Determinants of increased risk of cardio-vascular diseases in HIV-infected individuals

Co-investigatorCIHR2012Team Grant - HIV/AIDS and comorbidities

Principal investigators: Tremblay, Cécile L; Monteith, Kenneth M; Chiasson, Jean-Louis; Durand, Madeleine; Tardif, Jean-Claude; Tsoukas, Christos M

Keywords: Biomarkers; Cardiovascular Disease; Cellular Populations; Cmv; Hiv; Host Genetics; Immunopathogenesis; Innate Immunity; Snp

$2,489,724

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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Claude Fortin

Research

Latest papers

Latest funding

Diagnosis of chlamydial and gonococcal conjunctivitis: performance evaluation of a nucleic acid amplification test

5' leader defects drive persistent HIV-1 viremia on long-term ART.

Incidence and risk factors of C. trachomatis, N. gonorrhoeae and syphilis among a cohort of urban Canadian gay, bisexual and other men who have sex with men, 2017-2023: informing the potential impact of doxycycline prophylaxis.

Opposite Roles of IL-32&#x3b1; Versus IL-32&#x3b2;/&#x3b3; Isoforms in Promoting Monocyte-Derived Osteoblast/Osteoclast Differentiation and Vascular Calcification in People with HIV.

Syphilitic bi-valvular endocarditis and myocarditis: modern tools applied to long-forgotten complications of a re-emerging disease.

Extensively Drug-Resistant Neisseria gonorrhoeae Strain, Canada

Mycoplasma genitalium infection among gay, bisexual and other men who have sex with men in Montréal, Canada

Mycoplasma genitalium infection among gay, bisexual and other men who have sex with men in Montréal, Canada

Mycoplasma genitalium infection among gay, bisexual and other men who have sex with men in Montr&#xe9;al, Canada.

Infection à Mycoplasma genitalium chez les hommes gais, bisexuels et autres hommes ayant des relations sexuelles avec des hommes à Montréal, Canada

Feasibility and acceptability of sexually transmitted and blood-borne infections screening of partners of pregnant persons

COVIH study: COVID-19 burden in HIV infected individuals.

Discovering pathways to successful aging in HIV infection

Discovering immune pathways to successful aging in HIV infection

Determinants of increased risk of cardio-vascular diseases in HIV-infected individuals

Frequent collaborators

Cécile Tremblay

Joseph Cox

Valérie Martel-Laferrière

Madeleine Durand

Daniel Grace

David Moore

Gilles Lambert

Trevor Hart

Jean-Pierre Routy

Marina Klein

Nicole Bernard

Mohammad-Ali Jenabian

Jean Longtin

Carl Chartrand-Lefebvre

Andrés Finzi

Nathan Lachowsky

Louis-Patrick Haraoui

Jody Jollimore

Pierre Côté

Alexandra de Pokomandy

Danielle Rouleau

Emil Toma

Judy Dorais

Édith Renoult

Rachid Hadjeres

Amanda Lang

Mariana Etchebarne

Opposite Roles of IL-32α Versus IL-32β/γ Isoforms in Promoting Monocyte-Derived Osteoblast/Osteoclast Differentiation and Vascular Calcification in People with HIV.

Mycoplasma genitalium infection among gay, bisexual and other men who have sex with men in Montréal, Canada.