1. Impact of long-term treatment of onchocerciasis with ivermectin in Kaduna State, Nigeria: first evidence of the potential for elimination in the operational area of the African Programme for Onchocerciasis Control

2. World Health Organization. Progress report on the elimination of human onchocerciasis, 2018–2019. Wkly Epid Rec. 2019;94:513–524.

3. Onchocerca volvulus infection in Tihama region - west of Yemen: Continuing transmission in ivermectin-targeted endemic foci and unveiled endemicity in districts with previously unknown status

4. World Health Organization. Onchocerciasis and its control. report of a WHO expert committee on onchocerciasis control. World Health Organ Tech Rep Ser. 1995;852:1–104.

5. Bump JB, Benton B, Seketeli A et al. West Africa: river blindness- success in scaling up and lessons learned. scaling up poverty reduction: A Global Learning Process and Conference Shanghai, May 25–27, 2004.