1. Decreased severity of disease during the first global omicron variant covid-19 outbreak in a large hospital in tshwane, south africa;Abdullah;Int J Infect Dis,2021
2. Ferguson N, Ghani A, Hinsley W, Volz E. Report 50 - Hospitalisation risk for Omicron cases in England | Faculty of Medicine | Imperial College London n.d. https://www.imperial.ac.uk/mrc-global-infectious-disease-analysis/covid-19/report-50-Severity-Omicron/(accessed January 1, 2022).
3. SARS-CoV-2 seroprevalence in the Cape Town metropolitan sub-districts after the peak of infections;Hsiao;Covid-19 Spec Public Heal Surveill Bull,2020
4. Higher mortality associated with the SARS-CoV-2 Delta variant in the Western Cape, South Africa, using RdRp target delay as a proxy;Hussey;MedRxiv,2021
5. Clinical severity of COVID-19 patients admitted to hospitals in Gauteng, South Africa during the Omicron-dominant fourth wave;Jassat;Lancet,2021