Center for Disease Control and Prevention http://www.cdc.gov/malaria/malaria_worldwide/impact.html $12 billion estimates estimates the direct costs 200 million most of whom lived in African countries hundreds of thousands of lives http://www.cdc.gov/malaria/malaria_worldwide/impact.html http://www.cdc.gov/malaria/malaria_worldwide/impact.html http://www.cdc.gov/malaria/malaria_worldwide/impact.html http://www.cdc.gov/malaria/malaria_worldwide/impact.html Centers for Disease Control and Prevention for a whopping 98% most of whom lived in African countries http://www.cdc.gov/malaria/malaria_worldwide/impact.html http://www.cdc.gov/malaria/malaria_worldwide/impact.html http://www.cdc.gov/malaria/malaria_worldwide/impact.html 200 million estimates the direct costs http://www.cdc.gov/malaria/malaria_worldwide/impact.html $12 billion