Abstract
1 Medical Virology, Department of Clinical Laboratory Sciences, Faculty of Health Sciences, University of Cape Town, Rondebosch, Cape Town, South Africa
2 Institute of Primate Research, PO Box 24481, Karen 00502, Nairobi, Kenya
3 Institute of Infectious Disease and Molecular Medicine, Faculty of Health Sciences, University of Cape Town, Rondebosch, Cape Town, South Africa
4 MRC/UCT Liver Research Centre, Department of Medicine, Faculty of Health Sciences, University of Cape Town, Rondebosch, Cape Town, South Africa
5 Department of Molecular and Cell Biology, Faculty of Science, University of Cape Town, Rondebosch, Cape Town, South Africa
6 National Institute for Communicable Diseases, Private Bag X4, Sandringham 2131, Johannesburg, South Africa
7 National Health Laboratory Service, Groote Schuur Hospital, Observatory, Cape Town, South Africa