Personal profile
Biography
Dr Dima El Safadi holds a PhD in Medical and Food Microbiology from the University of Lille 2 along with additional master’s degrees in Medical Microbiology and Applied Health Sciences from the Lebanese University. She was promoted to Professor in Microbiology at the Lebanese University in 2021 and became a UK Fellow of the Higher Education Academy in the UK in 2023.
Since 2022, Dr El Safadi has served as Laboratory Program Manager and researcher at the Liverpool School of Tropical Medicine (LSTM). In this role, she oversees laboratory operations for clinical trials focused on vaccine development and infectious diseases, contributing significantly to LSTM’s mission of advancing global health.
Research interests
Dr El Safadi's research focuses on the transmission, genetic diversity, and pathogenicity of infectious human and zoonotic diseases. She conducts her work within the One Health framework, which integrates the health of humans, animals, and the environment. Her research has provided critical insights into infectious disease transmission in Lebanon, and other European and African countries.
Currently, Dr El Safadi leads the microbiological aspects of challenge models, particularly those investigating respiratory and enteric pathogens, while continuing her studies on the epidemiology and transmission of infectious diseases in Lebanon. In addition, she has worked as a consultant on zoonotic disease transmission, diagnostics, and veterinary vaccine development for various institutions across the Middle East and North Africa region, complementing her research and supporting public health efforts.
Teaching
Dr El Safadi’s teaching focuses on medical microbiology, food borne diseases, parasitology, infectious disease epidemiological surveillance, and research methodology, with a strong emphasis on One Health and the integration of human, animal, and environmental health. She has mentored numerous master’s and PhD students, guiding them in the exploration of disease transmission, pathogenicity, and genetic diversity in infectious diseases, both within the Middle East and North Africa region and globally. Dr El Safadi is deeply committed to fostering the next generation of scientists and contributing to the academic and professional development of her students.
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Collaborations and top research areas from the last five years
Recent external collaboration on country/territory level. Dive into details by clicking on the dots or
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The effect of pneumococcal conjugate vaccine and pneumococcal polysaccharide vaccine on nasopharyngeal colonisation following human infection challenge with serotype 3 and serotype 6B (PREVENTING PNEUMO 2): a double-masked, randomised, controlled, phase 4 trial
Liatsikos, K., Hyder-Wright, A., Davies, K., El Safadi, D., Farrar, M., Goncalves, A., Gonzalez-Dias, P., Gordon, S. B., Howard, A., Lesosky, M., Liu, X., Mitsi, E., Myerscough, C., Nyazika, T. K., Pollard, A. J., Reiné, J., Robinson, R. E., Solórzano, C., Urban, B. C. & Zhang, Y. & 9 others, , 13 Feb 2026, In: The Lancet Microbe. 7, 3, 101267.Research output: Contribution to journal › Article › peer-review
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Protocol for a phase IV, Experimental Human Pneumococcal Challenge (EHPC) model to investigate Streptococcus pneumoniae serotype 3 (SPN3) colonisation following PCV15, a double-blind randomised controlled trial in healthy participants aged 18–50 years in the UK (RATIONALE-15)
Macedo, B. R. D., Solórzano, C., Hyder-Wright, A., Lustosa Martinelli, J., Robinson, H., Brito-Mutunayagam, S., Urban, B. C., Codreanu, T., Elterish, F., Mitsi, E., Howard, A., El Safadi, D., Tanha, K., Liu, X., Mazur, O., Ramasamy, M. N., Collins, A., Ferreira, D. M. & Drysdale, S. B., 24 Nov 2025, In: BMJ Open. 15, 11, e106028.Research output: Contribution to journal › Article › peer-review
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Risk Factors and Hospitalizations Associated with Pediatric Adenovirus and Rotavirus Infections in Northern Lebanon
Khalife, S., Osman, M., Moubayed, S., Kassem, I. I. & El Safadi, D., 8 Feb 2025, In: Medicina (Lithuania). 61, 2, p. 296 296.Research output: Contribution to journal › Article › peer-review
Open AccessFile2 Citations (Scopus) -
Seroprevalence and Vaccination Determinants of Varicella Zoster Virus Among Pediatric and Adolescent Populations in Northern Lebanon
Farhat, N., El Safadi, D., Massoud, J. & Khalife, S., 15 Nov 2025, In: Vaccines. 13, 11, 1166.Research output: Contribution to journal › Article › peer-review
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The effect of Pneumococcal Conjugate Vaccine and Pneumococcal Polysaccharide Vaccine on nasopharyngeal colonisation following human infection challenge with serotype 3 and serotype 6B: a randomised controlled trial
Liatsikos, K., Hyder-Wright, A. D., Davies, K., El Safadi, D., Farrar, M., Goncalves, A., Gonzalez-Dias, P., Gordon, S., Howard, A., Lesosky, M., Liu, X., Mitsi, E., Myerscough, C., Nyazika, T. K., Pollard, A. J., Reine Gutierrez, J., Robinson, R., Solórzano, C., Urban, B. & Zhang, Y. & 9 others, , 29 Sept 2025, (Accepted/In press) In: The Lancet Microbe.Research output: Contribution to journal › Article › peer-review
Open AccessFile
Datasets
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Dataset for the article: Parasitic Contamination of Fresh Leafy Green Vegetables Sold in Northern Lebanon
El Safadi, D. (Creator), tbc, 7 Aug 2023
Dataset