About the Authors

Hassen Mohammed

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

hassen.mohammed@adelaide.edu.au

Affiliations Adelaide Medical School and Robinson Research Institute, University of Adelaide, Adelaide, South Australia, Australia, Vaccinology and Immunology Research Trials Unit (VIRTU), Women’s and Children’s Hospital, North Adelaide, South Australia, Australia

Mark McMillan

Roles Conceptualization, Formal analysis, Methodology, Writing – review & editing

Affiliations Adelaide Medical School and Robinson Research Institute, University of Adelaide, Adelaide, South Australia, Australia, Vaccinology and Immunology Research Trials Unit (VIRTU), Women’s and Children’s Hospital, North Adelaide, South Australia, Australia

Claire T. Roberts

Roles Conceptualization, Supervision, Writing – review & editing

Affiliation Adelaide Medical School and Robinson Research Institute, University of Adelaide, Adelaide, South Australia, Australia

Helen S. Marshall

Roles Conceptualization, Methodology, Supervision, Validation, Writing – review & editing

Affiliations Adelaide Medical School and Robinson Research Institute, University of Adelaide, Adelaide, South Australia, Australia, Vaccinology and Immunology Research Trials Unit (VIRTU), Women’s and Children’s Hospital, North Adelaide, South Australia, Australia, School of Public Health, University of Adelaide, Adelaide, South Australia, Australia

Competing Interests

Research grants from vaccine manufacturers GSK and Sanofi Pasteur for investigator-led research have been provided to the institution at which Dr. Marshall and Mr. McMillan are employees. Dr. Roberts and Mohammed did not report any potential conflicts of interest. This does not alter our adherence to PLOS ONE policies on sharing data and materials.