Use of intravenous immunoglobulin for the treatment of severe COVID‐19 in the Chris Hani Baragwanath Academic Hospital intensive care unit, Johannesburg, South Africa. South Afr J Crit Care [Internet]. 2024 Nov. 25 [cited 2026 Jun. 24];40(3):e1897. Available from: https://samajournals.co.za/index.php/sajcc/article/view/1897