He discovered that infants given doses of an anti-malarial drug called Fansidar along with their regular childhood vaccinations often acquired immunity to malaria.

ECONOMIST: Malaria research gets a shot in the arm

Innate immunity is the defence against infection that babies are born with, as opposed to adaptive immunity which is acquired as people develop antibodies through their exposure to disease-causing agents.

ECONOMIST: Genetics and infectious disease: The germ of an idea | The