Authors: Shabir A Madhi; Vicky Baillie; Clare L Cutland; Merryn Voysey; Anthonet L Koen; Lee Fairlie; Sherman D Padayachee; Keertan Dheda; Shaun L Barnabas; Qasim E Bhorat; Carmen Briner; Gaurav Kwatra; Khatija Ahmed; Parvinder Aley; Sutika Bhikha; Jinal N Bhiman; As'ad E Bhorat; Jeanine du Plessis; Aliasgar Esmail; Marisa Groenewald; Elizea Horne; Shi-Hsia Hwa; Aylin Jose; Teresa Lambe; Matt Laubscher; Mookho Malahleha; Masebole Masenya; Mduduzi Masilela; Shakeel McKenzie; Kgaogelo Molapo; Andrew Moultrie; Suzette Oelofse; Faeezah Patel; Sureshnee Pillay; Sarah Rhead; Hylton Rodel; Lindie Rossouw; Carol Taoushanis; Houriiyah Tegally; Asha Thombrayil; Samuel van Eck; Constantinos K Wibmer; Nicholas M Durham; Elizabeth J Kelly; Tonya L Villafana; Sarah Gilbert; Andrew J Pollard; Tulio de Oliveira; Penny L Moore; Alex Sigal; Alane Izu Journal: N Engl J Med Date: 2021-03-16 Impact factor: 91.245