Furthermore, the state has the highest case of river blindness and other debilitating illnesses.
Just £10 in sponsorship money will protect ten people from river blindness for a year.
Now onchocerciasis, or river blindness, appears to be under control.
The reservoir is suspected to be a major breeding site for black flies, which cause river blindness.
And now those fighting river blindness have been handed an unexpected new weapon: a safe, effective drug.
They could not have guessed that their efforts would also yield a spectacular new weapon against river blindness.
Brian Duke, 79, tropical disease expert who helped to save millions from river blindness.
The new drug is the latest in a series of efforts against river blindness.
Army service led to academic work on blood products and onchocerciasis (river blindness, a tropical disease).
Even less money would be needed to counter river blindness, which is still the scourge of millions.