Greater Disease Severity and Worse Clinical Outcomes in Patients Hospitalised with COVID-19 in Africa oleh Lina Hahnle, Mathilda Mennen, Freedom Gumedze, Daniel Mutithu, Marguerite Adriaanse, Daniel Egan, Simthandile Mazondwa, Rochelle Walters, Lambert Tetteh Appiah, Francisca Inofomoh, Okechukwu Ogah, Olukemi Adekanmbi, Fastone Goma, Elijah Ogola, Kieran Mwazo, Ahmed Suliman, Kavita Singh, Lana Raspail, Dorairaj Prabhakaran, Pablo Perel, Karen Sliwa, Ntobeko A. B. Ntusi