Gates Foundation says tested vaccine `` has hurdles to overcome '' U.S. malaria study finds success with intravenous vaccine . The study, published in the journal Science, found that a single dose of an experimental drug called artemisinin, which is used as part of treatment for malaria, was effective against at least two strains of malaria. Malaria sickens an estimated 200-million plus every year , killing about 1 million .
Gates Foundation says tested vaccine `` has hurdles to overcome '' U.S. malaria study finds success with intravenous vaccine . NIH official hails test as an `` important step forward '' Malaria sickens an estimated 200-million plus every year , killing about 1 million .