The question of what caused malaria and how it was transmitted did not escape his attention.
Parasites that cause malaria typically enter the body through the bite of a mosquito.
The drug also has known benefits against the parasite that causes malaria.
Before medicine understood how such diseases were spread, many people believed that vapor from the canal caused malaria.
It was, in addition, for long the theory that the mixing of fresh and salt water caused malaria (literally, bad air).
Scientists are not sure what causes cerebral malaria, or why only some people develop it.
But those that did kill the parasites that cause malaria, he said, also killed cancer cells.
Haemosporidia closely related to those that cause malaria have been found in their red blood cells.
The latter, while serious, provides a resistance to the parasite that causes malaria.
It might have activity against the organism that causes malaria.