From the *Centre for Infectious Disease Epidemiology & Research, School of Public Health and Family Medicine, University of Cape Town, Cape Town, South Africa
†Tygerberg Academic Hospital, University of Stellenbosch, Tygerberg, Cape Town, South Africa
‡Division of Medical Virology, Stellenbosch University and National Health Laboratory Service, Tygerberg, Cape Town, South Africa
§Department of Paediatrics and Child Health, University of the Witwatersrand, Rahima Moosa Mother and Child Hospital, Johannesburg, South Africa
¶Red Cross War Memorial Children’s Hospital, and the Department of Paediatrics and Child Health, University of Cape Town, Cape Town, South Africa
‖Department of Pediatric, Tulane University, School of Medicine, New Orleans, LA
**Department of Epidemiology, Harvard T.H. Chan School of Public Health, Centre for Biostatistics in AIDS Research (CBAR), Boston, MA
††Department of Paediatrics and Child Health, University of the Witwatersrand, Chris Hani Baragwanath Academic Hospital, Johannesburg, South Africa
‡‡The Desmond Tutu HIV Centre, Institute for Infectious Disease & Molecular Medicine, University of Cape Town, Cape Town, South Africa
§§Africa Centre for Health and Population Studies, University of KwaZulu-Natal, Mtubatuba, South Africa
¶¶McCord Hospital, Durban, South Africa
‖‖Department of Paediatrics and Child Health Division of Paediatric Infectious Diseases, Stellenbosch University and Tygerberg Children’s Hospital, Cape Town, South Africa
***Wits Reproductive Health and HIV Institute, University of the Witwatersrand, Johannesburg, South Africa
†††Institute of Social and Preventive Medicine (ISPM), University of Bern, Bern, Switzerland.
Accepted for publication June 14, 2018.
Supported by funding from the United States National Institutes of Health Grant 5U01AI069924. M.E. is supported by the Swiss National Science Foundation, grant 32FP30-174281. The authors declare that there are no conflicts of interest.
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Address for correspondence: Gabriela Patten, MSc, Centre for Infectious Disease Epidemiology & Research, School of Public Health & Family Medicine, Faculty of Health Sciences, University of Cape Town, Anzio Road, Observatory 7925, South Africa. E-mail: [email protected].