Malaria is a life-threatening illness marked by high recurrent fever, shaking chills, and severe headache. Though malaria is now treatable, even with treatment it sometimes progresses to coma and death. Survivors frequently suffer recurrent symptoms and can be debilitated. The World Health Organization estimated that in 2010 there were 216 million people infected with malaria. Hundreds of thousands of them died, though precise estimates are lacking. Malaria has plagued people for tens of thou...