ANY notion that COVID-19 was going to last for just a few months was very much misplaced in 2020. Especially after it was recognised that the SARS-CoV-2 virus was largely spread through the airborne route, all indications were that it would cause repeat bouts of waves. This is what happened in the flu epidemic of 1918. SHABIR A. MADHI, Dean Faculty of Health Sciences and Professor of Vaccinology at University of the Witwatersrand; and Director of the SAMRC Vaccines and Infectious Diseases Analytics Research Unit, University of the Witwatersrand In addition, very few scientists predicted that we would see the…