The international Malaria Atlas Project has created the most complete map of malaria risk in four decades. The team analyzed 4,278 surveys of malaria infection around the world to develop the map.

Each year nearly 500 million people are diagnosed with this infectious disease, and more than 1 million of thosemostly children and pregnant mothersdie. Malaria is both preventable and curable. The map will help direct prevention and treatment programs to the riskiest areas.