Margaret M Fitzgibbon
Chief Medical Scientist
IrelandResearch Interests
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About
Margaret M Fitzgibbon is a Chief Medical Scientist at St. James's Hospital in Ireland. Her research primarily focuses on tuberculosis, including treatment outcomes for drug-resistant strains and genomic mutations associated with resistance. She has contributed significantly to studies on molecular surveillance methods and the availability of medications for tuberculosis treatment in Europe.
Articles (10)
Year:
2025
Year:
2024
Year:
2024
Year:
2023
Year:
2023
Year:
2023
Year:
2023
Year:
2022
The study demonstrates the improved sensitivity of the Ultra compared with the Xpert, particularly in smear negative TB disease, for both pulmonary and extrapulmonary samples in a low TB incidence setting. Cycle threshold (Ct) value for both assays was found to positively correlate with time to TB culture positivity, suggesting that Ct and semiquantitative results could be used as indicators of sample MTBC bacillary burden, and thus, perhaps, of transmission potential.
Year:
2022
Year:
2022
Collaborators (9)
Frank van Leth
University of Amsterdam
Miguel Viveiros
Universidade de Aveiro
JEROME ROBERT
Professeur
Sorbonne Université Faculté de Médecine
Farzam Vaziri
University of California, Davis
Thomas R. Rogers
Trinity College Dublin
Rita Macedo
Head of the National Reference Tuberculosis Laboratory
National Institutes of Health
Belay Tessema
Leipzig University
Anne Marie McLaughlin
Clinical Associate Professor
Trinity College Dublin
Christian Giske
Professor
Karolinska Institutet
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