New science explains South Africa’s low rates of omicron severe disease SARS-CoV-2 spike T cell responses induced upon vaccination or infection remain robust against Omicron https://www.medrxiv.org/content/10.1101/2021.12.26.21268380v1 https://www.medrxiv.org/content/10.1101/2021.12.27.21268278v1 Institute of Infectious Disease and Molecular Medicine, University of Cape Town SARS-CoV-2 Omicron…