Lynn El Haddad, PhD
Department of Infectious Diseases, Infection Control, and Employee Health, Division of Internal Medicine
Present Title & Affiliation
Dual/Joint/Adjunct Appointment
Instructor, Department of Infectious Diseases, Infection Control, and Employee Health, Division of Internal Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas
Education & Training
Degree-Granting Education
| 2014 | University Laval, Department of Biochemistry, Bioinformatics, and Microbiology College of Sciences and Engineering, Quebec City, CA, Microbiology, Ph.D. Doctorate |
| 2010 | University Laval, Department of Biochemistry, Bioinformatics, and Microbiology College of Sciences and Engineering, Quebec City, CA, Microbiology, M.S. Master of Science |
| 2008 | Saint-Joseph University, Faculty of Sciences, Mar Roukoz, LB, Biology with a minor in Biochemistry, B.S. Bachelor of Science |
Postgraduate Training
| 2015-2020 | Postgraduate Fellow, The University of Texas MD Anderson Cancer Center, Houston, Texas |
Experience & Service
Faculty Academic Appointments
Affiliate Assistant Professor, Department of Molecular Genetics & Microbiology, concentration of Immunology & Microbiology, University of Florida, Gainesville, Florida, 2022 - 2025
Tenure-Track Assistant Professor, Department of Medicine, University of Florida, Gainesville, Florida, 2022 - 2025
Research Assistant Professor, Department of Medicine, University of Florida, Gainesville, Florida, 2020 - 2022
Postdoctoral Fellow, The University of Texas MD Anderson Cancer Center, Houston, Texas, 2015 - 2020
Innovation Project Leader, Novalait Inc, Quebec City, 2010 - 2014
Lab Assistant, Laval University, Quebec City, 2010 - 2014
Extramural Institutional Committee Activities
Judge, UF Postdoctoral awards, University of Florida Health Cancer Center, 2024
Judge, UF Health Cancer Center Research Day, University of Florida Health Cancer Center, 2024
Faculty Coordinator, Topics in Cancer Seminar Series, UF Health Cancer Center, University of Florida Health Cancer Center, 2022 - Present
Member, Immuno-Oncology and Microbiome Research Program, University of Florida Health Cancer Center, 2020 - Present
Member, University of Florida Microbiome Working Group, University of Florida, 2020 - Present
Editorial Activities
Reviewer, Tropical Medicine and Infectious Disease, 2023 - Present
Reviewer, Microbiome Research Reports, 2023 - Present
Reviewer, Applied Microbiology and Biotechnology, 2023 - Present
Reviewer, Clinical Microbiology Reviews, 2022 - Present
Reviewer, Virus Research, 2021 - Present
Reviewer, Microbial Drug Resistance, 2020 - Present
Reviewer, Scientific Reports-Nature, 2020 - Present
Reviewer, Bone Marrow Transplantation, 2018 - Present
Reviewer, American Journal of Infection Control, 2017 - Present
Reviewer, Bacteriophages, 2014 - Present
Reviewer, Viruses, 2014 - Present
Honors & Awards
| 2022 | Infectious Disease Week 2022, Infectious Disease Week 2022 |
| 2022 | Early Career Reviewer, National Institute of Health |
| 2022 - 2024 | R21 Microbial-based Cancer Therapy - Bugs as Drugs, NIH/NCI |
| 2021 - 2026 | Mentored Research Scientist Development Award, NIH/NIAID, Mentored Research Scientist Development Award, NIH/NIAID |
| 2021 - 2022 | UFHCC A-1 Accelerator Program, UFHCC A-1 Accelerator Program |
| 2019 | Travel Grant, Infectious Diseases Week, Washington, DC,, Travel Grant, Infectious Diseases Week, Washington, DC, |
| 2019 | Competitively Selected Research at the Infectious Diseases Week, Competitively Selected Research at the Infectious Diseases Week |
| 2019 | Competitively Selected Research at the 2nd Annual Texas Medical Center Antimicrobial Resistance and Stewardship conference, Competitively Selected Research at the 2nd Annual Texas Medical Center Antimicrobial Resistance and Stewardship conference |
| 2018 - 2020 | American Cancer Society Postdoctoral Grant, American Cancer Society Postdoctoral Grant |
Professional Memberships
Selected Presentations & Talks
Local Presentations
- 2019. Transmission of Genetically Related, Multidrug Resistant, and Invasive Vancomycin-Resistant Enterococci (VRE) between Patients and Rooms on the Stem Cell Transplant (SCT) and Leukemia (LKM) Units. Invited, US.
- 2019. Transmission of Genetically Related, Multidrug Resistant, and Invasive Vancomycin-Resistant Enterococci (VRE) between Patients and Rooms on the Stem Cell Transplant (SCT) and Leukemia (LKM) Units. Invited. Houston, Texas, US.
- 2018. Single Nucleotide Polymorphism Analyses Reveal Potential Transmission Networks of Invasive Multidrug-Resistant Enterococci between Rooms and Patients in a Hospital Setting. Invited. Atlanta, Georgia, US.
- 2017. The Successful Recovery of Bacteriophages with Activity against Vancomycin-Resistant Enterococci (VRE) from Stool Samples of Hematopoietic Cell Transplant (HCT) Recipients. San Diego, California, US.
- 2013. Biocontrol of Staphylococcus aureus in milk products. Denver, Colorado, US.
- 2013. Biocontrôle de Staphylococcus aureus dans les produits laitiers. Montreal, Canada, US.
- 2010. Caractérisation des phages de Staphylococcus aureus. Oral presentation. Montreal, Canada, US.
- Single Nucleotide Polymorphism (SNP) Analyses Reveal Potential Vancomycin-Resistant Enterococci (VRE) Transmission Networks between Rooms and Patients on Stem Cell Transplant (SCT) and Leukemia Units. Salt Lake City, Utah, US.
National Presentations
- 2023. Bacteriophages as natural remedies against antibiotic resistant bacteria. Invited. Gainesville, Florida, US.
- 2023. Bacteriophages: friends or foes? Accepted for Oral presentation at the National Institute of Antimicrobial Resistance Research and Education conference. Invited. Gainesville, florida, US.
Grant & Contract Support
| Date: | 2022 - 2025 |
| Title: | Principal Investigator |
| Funding Source: | Jobin (MPI) |
| Role: | PI |
| ID: | NCI R21 CA264927-01 |
| Date: | 2021 - 2026 |
| Title: | Bacteriophages as Modulators of Bacterial Colonization |
| Funding Source: | NIH National Institute of Allergy and Infectious Diseases (NIAID) |
| Role: | PI |
| ID: | 1K01AI166096-01 |
| Date: | 2021 - 2022 |
| Title: | Awardee, UF Health Cancer Center Bridge Seed Grant (AGR DTD 12-17-2014) |
| Funding Source: | University of Florida (internal) |
| Role: | Key |
| Date: | 2020 - 2025 |
| Title: | Awardee, Start-up funds, University of Florida |
| Funding Source: | University of Florida (Internal) |
| Role: | Key |
| Date: | 2019 - 2021 |
| Title: | Sister Institute Network Fund Internal Grant. Isolation of Bacteriophages against Prevalent Multidrug Resistant Organisms in 3 Geographical Regions: Impact on Stem Cell Transplant Recipient’s Outcomes |
| Funding Source: | MDA (Internal) |
| Role: | Co-PI |
| Date: | 2018 - 2020 |
| Title: | Principal Investigator. American Cancer Society Postdoctoral Award. The Role of Bacteriophages in Hematopoietic Cell Transplant Recipients |
| Funding Source: | ACS |
| Role: | PI |
| Date: | 2018 |
| Title: | Significant Contributor. Postdoctoral Fellowship Equipment Internal Grant. Qiagen EZ1 Advanced XL. FY18 Research Capital Equipment |
| Funding Source: | MDA (Internal) |
| Role: | Co-I |
Selected Publications
Peer-Reviewed Articles
- El Haddad L, Angelidakis G, Zhai Y, Yaghi L, Arias CA, Shelburne SA, Jeong KC, Chemaly RF. Persistence of Daptomycin-Resistant and Vancomycin-Resistant Enterococci in Hospitalized Patients with Underlying Malignancies: A 7-Year Follow-Up Study, 2024. e-Pub 2024. PMID: 39203518.
- Ariza-Heredia EJ, Winston DJ, Rowley SD, Mullane K, Chandrasekar P, Hari P, Avery RK, Peggs KS, Kumar D, Nath R, Ljungman P, Mossad SB, El Haddad L, Shah DP, Jiang Y, Khawaja F, Dadwal S, Blanchard T, Chemaly RF. Impact of Baseline and Week 2 and Week 4 Posttransplant CMV Cell-Mediated Immunity on Risk of CMV Infections and Mortality in Recipients of Allogeneic Hematopoietic Cell Transplant, 2023. e-Pub 2023. PMID: 37636519.
- El Haddad L, Angelidakis G, Clark JR, Terwilliger AL, Chaftari CP, Duna M, Yusuf ST, Harb CP, Stibich M, Maresso A, Chemaly RF. Genomic and Functional Characterization of Vancomycin-Resistant Enterococci-Specific Bacteriophages in the Galleria mellonella Wax Moth Larvae Model, 2022. e-Pub 2022. PMID: 36015218.
- El Haddad L, Blake M Hanson, Cesar A Arias, Shashank S Ghantoji, Cynthia P Harb, Mark Stibich, Mark Stibich, Roy F Chemaly. Emergence and Transmission of Daptomycin and Vancomycin-Resistant Enterococci Between Patients and Hospital Rooms, 2021. e-Pub 2021. PMID: 33421068.
- Roy F Chemaly, El Haddad L, Drew J Winston, Scott D Rowley, Kathleen M Mulane, Pranatharthi Chandrasekar, Robin K Avery, Parameswaran Hari, Karl S Peggs, Deepali Kumar, Rajneesh Nath, Per Ljungman, Sherif B Mossad, Sanjeet S Dadwal, Ted Blanchard, Dimpy P Shah, Ying Jiang, Ella Ariza-Heredia. Cytomegalovirus (CMV) Cell-Mediated Immunity and CMV Infection After Allogeneic Hematopoietic Cell Transplantation: The REACT Study 71(9):2365-2374, 2020. e-Pub 2020. PMID: 32076709.
- El Haddad L, Shashank S Ghantoji, Marjorie V Batista, Jack Hachem, Yadira Lobo, Ying Jiang, Anne K Park, Jonathan Schelfhout, Gabriela Rondon, Richard Champlin, Roy F Chemaly. Clinical and economic burden of pre-emptive therapy of cytomegalovirus infection in hospitalized allogeneic hematopoietic cell transplant recipients, 2020. e-Pub 2020. PMID: 31448830.
- El Haddad L, Marie-Josée Lemay, Georges E Khalil, Sylvain Moineau, Claude P Champagne. Microencapsulation of a Staphylococcus phage for concentration and long-term storage, 2018. e-Pub 2018. PMID: 30166155.
- Jacques M Azzi, Andreas Kyvernitakis, Dimpy P Shah, El Haddad L, Sminil N Mahajan, Shashank S Ghantoji, Ella Heredia-Ariza, Roy F Chemaly. Leukopenia and lack of ribavirin predict poor outcomes in patients with haematological malignancies and respiratory syncytial virus infection, 2018. e-Pub 2018. PMID: 30113677.
- El Haddad L, Ella Ariza-Heredia, Dimpy P Shah, Ying Jiang, Ted Blanchard, Shashank S Ghantoji, Firas El Chaer, Danielle El-Haddad, Amrita Prayag, Lior Nesher, Katy Rezvani, Elizabeth Shpall, Roy F Chemaly. The Ability of a Cytomegalovirus ELISPOT Assay to Predict Outcome of Low-Level CMV Reactivation in Hematopoietic Cell Transplant Recipients, 2018. e-Pub 2018.
- El Haddad L, Shashank S Ghantoji, Kathy M Ware, Jason B Fleming, Cindy Segal, Mark Stibich, Roy F Chemaly. Evaluation of a pulsed xenon ultraviolet disinfection system to decrease bacterial contamination in operating rooms, 2017. e-Pub 2017. PMID: 29017457.
- El Haddad L, Jean-Pierre Roy, Georges E Khalil, Daniel St-Gelais, Claude P Champagne, Steve Labrie, Sylvain Moineau. Efficacy of two Staphylococcus aureus phage cocktails in cheese production, 2016. e-Pub 2016. PMID: 26476571.
- El Haddad L, Nour Ben Abdallah, Pier-Luc Plante, Jeannot Dumaresq, Ramaz Katsarava, Steve Labrie, Jacques Corbeil, Daniel St-Gelais, Sylvain Moineau. Improving the safety of Staphylococcus aureus polyvalent phages by their production on a Staphylococcus xylosus strain, 2014. e-Pub 2014. PMID: 25061757.
- Simon J Labrie, El Haddad L, Denise M Tremblay, Pier-Luc Plante, Jessica Wasserscheid, Jeannot Dumaresq, Jacques Corbeil, Ken Dewar, Sylvain Moineau. First Complete Genome Sequence of Staphylococcus xylosus, a Meat Starter Culture and a Host to Propagate Staphylococcus aureus Phages, 2014. e-Pub 2014. PMID: 25013142.
- El Haddad L, Sylvain Moineau. Characterization of a Novel Panton-Valentine Leukocidin (PVL)-Encoding Staphylococcal Phage and Its Naturally PVL-Lacking Variant. Appl Environ Microbiol, 2013. e-Pub 2013. PMID: 23396328.
Review Articles
- El Haddad, L, Jesus F Mendoza, Christian Jobin. Bacteriophage-mediated manipulations of microbiota in gastrointestinal diseases, 2022. e-Pub 2022. PMID: 36466675.
- Fareed Khawaja, Marjorie V Batista, El Haddad L, Roy F Chemaly. Resistant or refractory cytomegalovirus infections after hematopoietic cell transplantation: diagnosis and management, 2019. e-Pub 2019. PMID: 31567572.
- El Haddad L, Cynthia P Harb, Mark A Gebara, Mark A Stibich, Roy F Chemaly. Evaluation of Bacteriophage Therapy against the Multi-drug Resistant ESKAPE Organisms in a Human Model: a Systematic and Critical Review, 2019. e-Pub 2019. PMID: 30395179.
- Batista MV, El Haddad L, Roy F Chemaly. Paramyxovirus infections in hematopoietic cell transplant recipients, 2018. e-Pub 2018. PMID: 30320640.
Other Articles
- El Haddad L, Ella Ariza-Heredia, Roy F Chemaly Reply to Giménez et al, 2019. PMID: 30496440.
Patient Reviews
CV information above last modified September 23, 2025