Country-Level Assessment of Missed Opportunities for Vaccination in South Africa: Protocol for Multilevel Analysis

Duduzile Ndwandwe   ¹ , BSc, MSc, PhD ;   Ntombenhle J Ngcobo   ¹ , PhD ;   Abdu A Adamu   ² , PhD, MSc, MBBS ;   Chukwudi Nnaji   ^{1, 3} , MPH ;   Thandiwe Mashunye   ³ , MPH ;   Arlette M Leufak   ¹ , BSc, MSc ;   Sara Cooper   ^{1, 3} , PhD ;   Olalekan A Uthman   ^{2, 4} , MBBS, PhD, MPH ;   Charles S Wiysonge   ^{1, 2, 3} , PhD, MD

¹ Cochrane South Africa, South African Medical Research Council, Cape Town, South Africa

² Centre for Evidence-based Health Care, Division of Epidemiology and Biostatistics, Department of Global Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa

³ School of Public Health and Family Medicine, University of Cape Town, Cape Town, South Africa

⁴ Warwick-Centre for Applied Health Research and Delivery, Division of Health Sciences, University of Warwick Medical School, Coventry, United Kingdom