Bill Gates: we're witnessing 'one of the greatest success stories in the history of global health'

Spencer Platt/Getty Images Malaria, a mosquito-borne disease caused by a parasite, is still incredibly deadly. In the past 15 years, the rate of malaria deaths has dropped 57%, according to a Bill and Melinda Gates-backed study published Monday in the New England Journal of Medicine. In 2000, malaria was responsible for more than a million deaths. By 2015, that number dropped to 631,000. "With almost 500,000 children still dying of malaria every year, we obviously have a long way to go," Bill G...