| Recruiting | 3b | 500000 | RoW | Booster vaccine | Wits Health Consortium (Pty) Ltd, National Department of Health of South Africa, National Institute of Communicable Diseases - NICD, KwaZulu-Natal Research Innovation and Sequencing Platform - KRISP, Fred Hutchinson Cancer Center, Hutchinson Center Research Institute of South Africa (HCRISA), Janssen Vaccines & Prevention B.V., Bio Analytical Research Corporation, Dis-Chem Pharmacy, BioVac, Biocair, Right to Care, Clinical Laboratory Services, Institute of Infectious Disease and Molecular Medicine | SARS CoV 2 Infection | 01/22 | 06/23 | | |