RTI International, Armauer Hansen Research Institute, Armauer Hansen Research Institute, Armauer Hansen Research Institute, Ministry of Health (Addis Ababa) - Disease Prevention and Control Directorate, Ethiopia Federal Ministry of Health - Oromia Regional Health Bureau, Ethiopia Federal Ministry of Health - Oromia Regional Health Bureau, RTI International, International Trachoma Initiative, Ministry of Health (Addis Ababa) - Disease Prevention and Control Directorate, Ministry of Health (Addis Ababa) - Disease Prevention and Control Directorate, RTI International, Ministry of Health (Addis Ababa) - Disease Prevention and Control Directorate, Armauer Hansen Research Institute, London School of Hygiene & Tropical Medicine - Department of Clinical Research, London School of Hygiene & Tropical Medicine - Department of Clinical Research, London School of Hygiene & Tropical Medicine - Department of Clinical Research and Armauer Hansen Research Institute

Ethiopian Public Health Institute, Ethiopian Public Health Institute - Bacterial, Parasitic and Zoonotic Disease Research Directorate, Ethiopian Public Health Institute, Unlimit Health, Edinburgh House, Ethiopian Public Health Institute, Ministry of Health (Addis Ababa), Ethiopian Public Health Institute, Unlimit Health, Edinburgh House, Ethiopian Public Health Institute, The END Fund, The END Fund, The END Fund, Unlimit Health, Edinburgh House, Unlimit Health, Edinburgh House, Unlimit Health, Edinburgh House, London School of Hygiene & Tropical Medicine - Faculty of Infectious and Tropical Diseases, London School of Hygiene & Tropical Medicine - Department of Disease Control, London School of Hygiene & Tropical Medicine - Department of Disease Control, London School of Hygiene & Tropical Medicine, Ministry of Health (Addis Ababa) - Disease Prevention and Control Directorate, Ethiopian Public Health Institute - Bacterial, Parasitic and Zoonotic Disease Research Directorate, Ethiopian Public Health Institute, Unlimit Health, Edinburgh House, London School of Hygiene & Tropical Medicine, Unlimit Health, Edinburgh House and Ministry of Health (Addis Ababa) - Disease Prevention and Control Directorate

London School of Hygiene & Tropical Medicine, London School of Hygiene & Tropical Medicine, London School of Hygiene & Tropical Medicine, London School of Hygiene & Tropical Medicine, Berhan Public Health Consultancy, London School of Hygiene & Tropical Medicine, The Fred Hollows Foundation Ethiopia, The Fred Hollows Foundation Ethiopia, The Fred Hollows Foundation Ethiopia, The Fred Hollows Foundation Ethiopia, The Fred Hollows Foundation Ethiopia, The Fred Hollows Foundation Ethiopia, The Fred Hollows Foundation Ethiopia, Berhan Public Health Consultancy, Adama Public Health Research and Referral Laboratory Center, The Fred Hollows Foundation Ethiopia, The Fred Hollows Foundation Ethiopia, Ethiopia Federal Ministry of Health - Oromia Regional Health Bureau, Ministry of Health (Addis Ababa) - Disease Prevention and Control Directorate, London School of Hygiene & Tropical Medicine, London School of Hygiene & Tropical Medicine, London School of Hygiene & Tropical Medicine, London School of Hygiene & Tropical Medicine, The Fred Hollows Foundation Ethiopia, Berhan Public Health Consultancy, Berhan Public Health Consultancy, World Health Organization (WHO), London School of Hygiene & Tropical Medicine - MRC International Statistics and Epidemiology Group, Arctech Innovation, London School of Hygiene & Tropical Medicine and London School of Hygiene & Tropical Medicine

Task Force for Global Health Inc. - International Trachoma Initiative, Ministry of Health, Mozambique, Ministry of Health, Ghana, Ministry of Health, Yemen, The Egyptian Ministry of Health, Ministry of Health, Senegal, Ministry of Health, Benin, Ministry of Health, Cameroon, Ministry of Health, Burkina Faso, Ministry of Health, Burundi, Ministry of Health Zambia, Ministry of Health of Vietnam, Ministry of Health, Chad, Ministry of Health, Sudan, Ministry of Health, Vanuatu, Ministry of Health, Guinea, Ministry of Health, Morocco, Ministry of Health and Social Welfare, Tanzania, Ministry of Health, Niger, Ministry of Health (Malawi), Ministry of Health, Gambia, Ministry of Health, Pakistan, Ministry of Health, Ghana, Government of Kenya - Kenya Ministry of Health, Ministry of Health, Cote d'Ivoire, Ministry of Health, Mauritania, Republic of Uganda Ministry of Health, Ministry of Health, Nigeria, Ministry of Health, Zanzibar, Ministry of Health and Child Care, Ministry of Health, Guinea Bissau, Ministry of Health, Nepal, Ministry of Health (Addis Ababa) - Disease Prevention and Control Directorate, Ministry of Health and Medical Services - Solomon Islands, Ministry of Health, Kiribati, Ministry of Health, Eritrea, Ministry of Health, Mali, Ministry of Health, Democratic Republic of the Congo, Ministry of Health, Central African Republic, Ministry of Health, South Sudan - Neglected Tropical Diseases Unit, Task Force for Global Health Inc. - International Trachoma Initiative, Task Force for Global Health Inc. - International Trachoma Initiative and RTI International