Allergy and Immunology Unit, University of Cape Town Lung Institute, Mowbray, Cape Town, South Africa; Corresponding author: Valmy Craffert, MBChB, BSc, Dip HIV Man, Allergy and Immunology Unit, University of Cape Town Lung Institute, George St, Mowbray, Cape Town, Western Cape 7700, South Africa.
Cascia Day, MBBCh, FCP, MMed, Dip HIV Man
Allergy and Immunology Unit, University of Cape Town Lung Institute, Mowbray, Cape Town, South Africa; Division of Allergology and Clinical Immunology, Department of Medicine, Faculty of Health Sciences, Groote Schuur Hospital, Observatory, Cape Town, South Africa
Jonny Peter, MBChB, FCP, MMed, PhD
Allergy and Immunology Unit, University of Cape Town Lung Institute, Mowbray, Cape Town, South Africa; Division of Allergology and Clinical Immunology, Department of Medicine, Faculty of Health Sciences, Groote Schuur Hospital, Observatory, Cape Town, South Africa