Imperial College London


Faculty of MedicineSchool of Public Health

Research Postgraduate



lucy.williams19 Website




Building E - Sir Michael UrenWhite City Campus





I am a PhD student in the Department of Infectious Disease Epidemiology, supervised by Nicholas Grassly, Neil Ferguson and Christl Donnelly.

I am interested in the role of pharmaceutical interventions, particularly vaccines, in the control of infectious diseases. My PhD focuses on the design of vaccine clinical trials in novel disease outbreaks.

Before starting my PhD, I completed my MSc Epidemiology at Imperial College London and my undergraduate degree in Biological Sciences at the University of Oxford. I also worked in public health research in the charity and pharmaceutical sectors.



Williams LR, Ferguson NM, Donnelly CA, et al., 2022, Measuring vaccine efficacy against infection and disease in clinical trials: sources and magnitude of bias in COVID-19 vaccine efficacy estimates, Clinical Infectious Diseases, Vol:75, ISSN:1058-4838, Pages:e764-e773

Imai N, Hogan AB, Williams L, et al., 2021, Interpreting estimates of coronavirus disease 2019 (COVID-19) vaccine efficacy and effectiveness to inform simulation studies of vaccine impact: a systematic review, Wellcome Open Research, Vol:6, Pages:185-185


Williams L, Marongiu A, Filippidis F, et al., 2021, Analyses of patient reported outcomes for appropriately tailoring to the needs of HIV-1 patient focus groups, WILEY, Pages:104-105, ISSN:1464-2662

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