Affiliations

• ¹ Lancet Laboratories, Johannesburg, and Division of Medical Virology, Department of Pathology, University of Stellenbosch, Cape Town, South Africa.
• ² Department of Internal Medicine, Faculty of Health Sciences, University of the Witwatersrand, and Department of Internal Medicine, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa.
• ³ Department of Virology, School of Pathology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, and Department of Medical Virology, Faculty of Health Sciences, University of Pretoria, South Africa.
• ⁴ Department of Radiology, School of Medicine, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa, and National Radiology Services Inc., Johannesburg, South Africa.
• ⁵ Lancet Laboratories, Department of Molecular Pathology, School of Pathology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa.
• ⁶ Department of Medical Microbiology, Stellenbosch University, Cape Town, South Africa, and Faculty of Veterinary Science, University of Pretoria, South Africa, and Right to Care, National Institute of Communicable Diseases, Johannesburg, South Africa.
• ⁷ Lenmed Ahmed Kathrada Hospital, Johannesbug, South Africa.
• ⁸ Division of Anatomical Pathology, University of the Witwatersrand, School of Pathology, Faculty of Health Sciences, Johannesburg, South Africa, and Ampath Laboratories, Johannesburg, South Africa.
• ⁹ Charlotte Maxeke Hospital, Johannesburg, South Africa.