There are an estimated 200 million cases of malaria worldwide each year, and around 600,000 deaths. But the last 15 years represent a success story in the fight against the disease: Increased investment in treatment and prevention have cut the death rate nearly in half. Now, researchers warn that resistance to the primary drug used to treat malaria is spreading. A new study has detected a resistant strain in Myanmar near the Indian border, raising concerns that resistance could soon extend its hold to sub-Saharan Africa, where more than 90 percent of malaria deaths occur. Diane and her guests discuss new concerns about combating malaria worldwide.
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