2017 – Malago J,Makoba E, Muzuka ANN. Fluoride Levels in Surface and Groundwater in Africa: A Review. American Journal of Water Science and Engineering 3(1):1-17.
Excerpt: In Africa, high fluoride levels have been reported mostly in the Great East African Rift Valley which extends from Jordan valley down through Sudan, Ethiopia, Uganda, Kenya and Tanzania  (Fig. 1). Ghana, Malawi, Nigeria, Algeria and the Republic of South Africa have also been reported to have high fluoride levels  (Fig. 1).
Note: We will be adding more studies to this section