Ghana is conducting its biannual mass drug administration campaign against onchocerciasis August 23-September 3, targeting 4,740,039 people in 66 endemic districts across 13 regions (Ahafo, Ashanti, Bono, Bono East, Eastern, North East, Northern, Oti, Savannah, Upper East, Upper West, Western, and Western North.) Ghana Health Service; Graphic Online