Imperial College London


Faculty of MedicineSchool of Public Health

Research Associate







Medical SchoolSt Mary's Campus





I joined the Department of Infectious Disease Epidemiology in April 2022 as a Research Associate in Erik Volz's group, to work on virus evolution and genomic epidemiology.  In particular, my focus is on identifying and evaluating genetic variants that influence transmissibility.  I am currently assessing SARS-CoV-2 variant growth rates, determined through phylogenetic methods using the Transmission Fitness Polymorphism Scanner (designated in an R package mrc-ide/tfpscanner) developed by Erik Volz and Olivia Boyd, as a leading indicator for waves of infection.  The aim is to quantitatively compare this against other leading indicators and to consider how the findings might inform surveillance strategy.



FitzGerald V, Drake KO, Jones JR, et al., 2007, In situ high-energy X-ray diffraction study of a bioactive calcium silicate foam immersed in simulated body fluid, Journal of Synchrotron Radiation, Vol:14, ISSN:1600-5775, Pages:492-499

FitzGerald V, Pickup DM, Drake KO, et al., 2007, A high energy X-ray diffraction study of sol-gel derived (Ta2O5)(x)(SiO2)(1-x) glasses (x=0.05, 0.11 and 0.25) - elucidating the role of tantalum in silica, Journal of Sol-gel Science and Technology, Vol:44, ISSN:0928-0707, Pages:153-159

Drake KO, Carta D, Skipper L, et al., 2005, A multinuclear solid state NMR study of the sol-gel formation of amorphous Nb2O5-SiO2 materials, Solid State Nuclear Magnetic Resonance, Vol:27, ISSN:0926-2040, Pages:28-36

Skipper LJ, Sowrey FE, Pickup DM, et al., 2005, The structure of a bioactive calcia-silica sol-gel glass, Journal of Materials Chemistry, Vol:15, ISSN:0959-9428, Pages:2369-2374


Pickup DM, Sowrey FE, Skipper LJ, et al., 2005, The structure of TiO2-SiO2 and CaO-SiO2 sol-gel glasses from neutron diffraction and solid state NMR using isotopic enrichment of titanium, calcium and oxygen, 9th International Conference on the Structure of Non-Crystalline Materials (NCM9), SOC GLASS TECHNOLOGY, Pages:433-438, ISSN:0031-9090

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