[1
]
National Institute for Communicable Diseases, Private Bag x4, Sandringham, 2131, South
Africa; School of Health Systems and Public Health, Faculty of Health Sciences, University
of Pretoria, Private Bag x20, Hatfield, 0028, South Africa; Department of Medical
Virology, Faculty of Health Sciences, University of Pretoria, Private Bag X323, Arcadia,
Pretoria, 0007, South Africa. Electronic address: nicolap@nicd.ac.za.
[2
]
Medical Research Council: Respiratory and Meningeal Pathogens Research Unit, University
of the Witwatersrand, Johannesburg, South Africa; Department of Science and Technology/National
Research Foundation: Vaccine Preventable Diseases, University of Witwatersrand, Johannesburg,
South Africa.
[3
]
Department of Medical Virology, Faculty of Health Sciences, University of Pretoria,
Private Bag X323, Arcadia, Pretoria, 0007, South Africa.
[4
]
National Institute for Communicable Diseases, Private Bag x4, Sandringham, 2131, South
Africa; Department of Medical Virology, Faculty of Health Sciences, University of
Pretoria, Private Bag X323, Arcadia, Pretoria, 0007, South Africa.
[5
]
National Institute for Communicable Diseases, Private Bag x4, Sandringham, 2131, South
Africa; Clinical Microbiology and Infectious Diseases, Faculty of Health Sciences,
University of Witwatersrand, Johannesburg, South Africa.
[6
]
National Institute for Communicable Diseases, Private Bag x4, Sandringham, 2131, South
Africa.
[7
]
School of Public Health, Faculty of Health Sciences, University of Witwatersrand,
Johannesburg, South Africa.
[8
]
MRC/Wits Rural Public Health and Health Transitions Research Unit (Agincourt), School
of Public Health, Faculty of Health Sciences, University of Witwatersrand, Johannesburg,
South Africa.
[9
]
National Institute for Communicable Diseases, Private Bag x4, Sandringham, 2131, South
Africa; School of Health Systems and Public Health, Faculty of Health Sciences, University
of Pretoria, Private Bag x20, Hatfield, 0028, South Africa.
[10
]
National Institute for Communicable Diseases, Private Bag x4, Sandringham, 2131, South
Africa; Medical Research Council: Respiratory and Meningeal Pathogens Research Unit,
University of the Witwatersrand, Johannesburg, South Africa; Department of Science
and Technology/National Research Foundation: Vaccine Preventable Diseases, University
of Witwatersrand, Johannesburg, South Africa.
