Malaria is still a major global health problem, killing more than 1 million people every year. Almost all of these deaths are caused by Plasmodium falciparum, one of the four species of malaria parasites infecting humans. This high burden of mortality falls heavily on Sub-Saharan Africa, where over 90 per cent of these deaths are thought to occur, and 5 per cent of children die before the age of 5 years. The death toll from malaria is still growing, with malaria-specific mortality in young African children estimated to have doubled during the last twenty years. This increase has been...