de Swardt, C.L. et al. 2025. The association between comorbid conditions and CD4+ T-cell counts with in-hospital mortality of patients with moderate to critical COVID-19 disease. South African Medical Journal. 115, 10 (Nov. 2025), e2793. DOI:https://doi.org/10.7196/SAMJ.2025.v115i10.2793.