BERNHARDT, K; COLLIE, S; JACOBS, D W C; MEKGWE, P; GRAY, G; PETER, J; BEKKER, L-G. Analysis of adverse events following COVID-19 vaccination and infection: A retrospective, comparative cohort study using a claims database from Discovery Health, a managed care organisation in South Africa. South African Medical Journal, South Africa, v. 116, n. 5, p. e3941, 2026. DOI: 10.7196/SAMJ.2026.v116i5.3941. Disponível em: https://samajournals.co.za/index.php/samj/article/view/3941. Acesso em: 4 jun. 2026.