The World Health Organisation has reported that the viral disease known as COVID-19, caused by SARS-CoV-2, is the leading cause of death by a single infectious agent. This narrative review examines certain components of the pandemic: its origins, early clinical data, global and UK-focussed epidemiology, vaccination, variants, and long COVID.
Keywords: COVID-19; SARS-CoV-2; long COVID; vaccination; variants.
Copyright © 2022 Blann and Heitmar.