Maps of loiasis intermediate and high risk areas geographically overlapping with CDTi and non-CDTi areas. Orange shading indicates loiasis intermediate prevalence areas of 20-40%. Red shading indicates loiasis high prevalence areas of > 40%. Blue shading indicates onchocerciasis > 20% and areas targeted with ivermectin, also known as CDTi areas. A. Loiasis >20% B. Onchocerciasis >20% (CDTi areas) C. Loiasis and CDTi area overlap D. Loiasis overlapping CDTi areas E. Loiasis overlapping non-CDTi areas.