KwaZulu-Natal Research, Innovation and Sequencing Platform (KRISP), College of Health Sciences, University of KwaZulu-Natal, Doris Duke Medical Research Institute, Durban, South Africa. KwaZulu-Natal Research, Innovation and Sequencing Platform (KRISP), College of Health Sciences, University of KwaZulu-Natal, Doris Duke Medical Research Institute, Durban, South Africa; Centre for the AIDS Programme of Research in South Africa, University of KwaZulu-Natal, Durban, South Africa; Department of Virology, National Health Laboratory Service, University of KwaZulu-Natal, Durban, South Africa. KwaZulu-Natal Research, Innovation and Sequencing Platform (KRISP), College of Health Sciences, University of KwaZulu-Natal, Doris Duke Medical Research Institute, Durban, South Africa. Electronic address: tarinm@ukzn.ac.za.