His main work focuses on severe malaria, notably improving the definition of severe malaria in areas of high malaria transmission. We have estimated that a third of children diagnosed with severe malaria in high transmission settings, in fact, have another cause of severe illness.

Additionally, he is an investigator and study statistician for PLATCOV, a platform trial characterising in vivo antiviral effects of repurposed or novel drugs for COVID-19; and the CHARM project, which aims to develop a new methodology for the assessment of new antiparasitic drugs for the treatment of Chagas disease.