Cornell Morna, Horton Katherine, Colvin Christopher, Medina-Marino Andrew, Dovel Kathryn
School of Public Health and Family Medicine, University of Cape Town, Cape Town 7925, South Africa.
Faculty of Infectious and Tropical Diseases, Faculty of Epidemiology and Public Health, London School of Hygiene & Tropical Medicine, London, UK.
Lancet. 2020 Apr 18;395(10232):1258. doi: 10.1016/S0140-6736(20)30216-6.