Alane Izu is a senior statistician at the University of the Witwatersrand Vaccine and Infectious Disease Research Unit (WITS-VIDA). Shabir A. Madhi is a professor of vaccinology, dean of the Faculty of Health Sciences at the University of the Witwatersrand, director of WITS-VIDA and co-director of the African Leadership in Vaccinology Expertise. The opinions expressed here are those of the authors. Sien meer opinie op CNN.
Op November 24, the Network for Genomic Surveillance in South Africa geïdentifiseer a new coronavirus variant of concern, gedoop Omicron. Since the variant’s initial identification in South Africa, it has been discovered in a number of countries spanning multiple continents, and on Wednesday, the first case of Covid-19 caused by this variant was reported in Kalifornië.