Wiysonge CS, Ndwandwe D, Mathebula L, Goga A, Gray G. Randomised trials of COVID-19 vaccines in Africa – charting the path forward. S. Afr. J. Sci. [Internet]. 2022 May 31 [cited 2024 Apr. 25];118(5/6). Available from: https://sajs.co.za/article/view/13224