Characteristics and outcomes in patients hospitalized with COVID-19 in South Africa

A new severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variant of concern (VOC), Omicron (B.1.1.529), was identified in South Africa on November 24, 2021, that was responsible for the fourth wave of coronavirus disease 2019 (COVID-19). The Omicron variant had the highest number of