Acknowledgments
We thank all participants and parents or guardians for their trust and crucial participation in this study. We also thank all local helpers, including the village and medical authorities of Chake Chake and Wete district (Pemba Island) for their collaboration, which made this work possible. We are deeply thankful to all trial team members from the Public Health Laboratory (Ivo de Carneri, Chake Chake, Pemba Island) for their hard and skilful work. We are grateful to the Medicines Development for Global Health for the production and provision of moxidectin.