1 Division of Medical Microbiology, University of Cape Town, Cape Town, Western Cape, South Africa; Groote Schuur Hospital National Health Laboratory Service Laboratory, Cape Town, Western Cape, South Africa. Electronic address: gert.marais16@alumni.imperial.ac.uk.
2 Groote Schuur Hospital National Health Laboratory Service Laboratory, Cape Town, Western Cape, South Africa; Division of Medical Virology, University of Cape Town, Cape Town, Western Cape, South Africa.
3 Division of Neurology, Department of Medicine, University of Cape Town, Cape Town, Western Cape, South Africa; Neuroscience Institute, University of Cape Town, Cape Town, Western Cape, South Africa.
4 Division of Neurology, Department of Medicine, University of Cape Town, Cape Town, Western Cape, South Africa.
5 Groote Schuur Hospital National Health Laboratory Service Laboratory, Cape Town, Western Cape, South Africa; Division of Chemical Pathology, University of Cape Town, Cape Town, Western Cape, South Africa.
6 Division of Medical Microbiology, University of Cape Town, Cape Town, Western Cape, South Africa; Groote Schuur Hospital National Health Laboratory Service Laboratory, Cape Town, Western Cape, South Africa; Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, Western Cape, South Africa.