About the Authors

Rudzani Muloiwa

Roles Conceptualization, Data curation, Formal analysis, Writing – original draft, Writing – review & editing

Rudzani.Muloiwa@uct.ac.za

Affiliation Department of Paediatrics & Child Health, Groote Schuur Hospital, University of Cape Town, Cape Town, South Africa

Felix S. Dube

Roles Data curation, Investigation, Writing – review & editing

Affiliations Department of Molecular and Cell Biology, Faculty of Science, University of Cape Town, Cape Town, South Africa, Institute of Infectious Disease & Molecular Medicine, University of Cape Town, Cape Town, South Africa, Division of Infection and Immunity, School of Biomedical Sciences, University of Western Australia, Perth, Australia

Mark P. Nicol

Roles Investigation, Validation, Writing – review & editing

Affiliations Division of Infection and Immunity, School of Biomedical Sciences, University of Western Australia, Perth, Australia, Division of Medical Microbiology, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa

Gregory D. Hussey

Roles Conceptualization, Funding acquisition, Supervision, Writing – review & editing

Affiliations Institute of Infectious Disease & Molecular Medicine, University of Cape Town, Cape Town, South Africa, Vaccines for Africa Initiative, Division of Medical Microbiology, University of Cape Town, Cape Town, South Africa

Heather J. Zar

Roles Supervision, Writing – review & editing

Affiliations SA-MRC Unit on Child & Adolescent Lung Health, University of Cape Town, Cape Town, South Africa, Department of Paediatrics & Child Health, Red Cross War Memorial Children’s Hospital, University of Cape Town, Cape Town, South Africa

Competing Interests

The authors acknowledge financial support to their institution by Sanofi Pasteur for the submitted work. This does not alter our adherence to PLOS ONE policies on sharing data and materials. The funder had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript. Rudzani Muloiwa has received honoraria from both Sanofi Pasteur and Pfizer for speaking engagements.”