Imperial College London


Faculty of MedicineSchool of Public Health

Research Associate



j.challenger Website




Norfolk PlaceSt Mary's Campus





I am a post-doctoral research associate working in the malaria group with Tom Churcher in the Department of Infectious Disease Epidemiology. My current work includes modelling the potential impact of transmission-blocking vaccines and using experimental hut trials to evaluate novel insecticides.

I have also worked with Lucy Okell within the department, developing within-host models of both treated and untreated malaria infections.This modelling work enables us to estimate the impact that imperfect adherence to treatment has on patient outcomes.

My PhD was completed at The University of Manchester with Professor Alan McKane. My PhD work focused on stochastic population dynamics, with an emphasis on individual-based modelling. Following my PhD I spent two years at The University of Florence, working with Professor Duccio Fanelli.



Challenger JD, van Beek SW, Heine RT, et al., 2023, Modelling the impact of a highly potent Plasmodium falciparum transmission-blocking monoclonal antibody in areas of seasonal malaria transmission, Journal of Infectious Diseases, ISSN:0022-1899, Pages:1-12

Challenger J, Nash RK, Ngufor C, et al., 2023, Assessing the variability in experimental hut trials evaluating insecticide-treated nets against malaria vectors, Current Research in Parasitology & Vector-borne Diseases, Vol:3, ISSN:2667-114X, Pages:1-11

Okell LC, Kwambai TK, Dhabangi A, et al., 2023, Projected health impact of post-discharge malaria chemoprevention among children with severe malarial anaemia in Africa, Nature Communications, Vol:14, ISSN:2041-1723, Pages:1-10

Challenger J, Foo C, Wu Y, et al., 2022, Modelling upper respiratory viral load dynamics of SARS-CoV-2, Bmc Medicine, Vol:20, ISSN:1741-7015

Ngufor C, Fagbohoun J, Agbevo A, et al., 2022, Comparative efficacy of two pyrethroid-piperonyl butoxide nets (Olyset Plus and PermaNet 3.0) against pyrethroid resistant malaria vectors: a non-inferiority assessment, Malaria Journal, Vol:21, ISSN:1475-2875, Pages:1-13

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