About the Authors

Patricia Campbell

pca@student.unimelb.edu.au (PC); j.mcvernon@unimelb.edu.au (JM)

Affiliation Vaccine & Immunisation Research Group, Murdoch Childrens Research Institute and Melbourne School of Population Health, The University of Melbourne, Parkville, Victoria, Australia

Peter McIntyre

Affiliation National Centre for Immunisation Research & Surveillance of Vaccine Preventable Diseases, The Children's Hospital at Westmead, Sydney, New South Wales, Australia

Helen Quinn

Affiliation National Centre for Immunisation Research & Surveillance of Vaccine Preventable Diseases, The Children's Hospital at Westmead, Sydney, New South Wales, Australia

Linda Hueston

Affiliation Centre for Infectious Diseases and Microbiology - Public Health, Institute for Clinical Pathology and Medical Research, Westmead Hospital, Sydney, New South Wales, Australia

Gwendolyn L. Gilbert

Affiliation Centre for Infectious Diseases and Microbiology - Public Health, Institute for Clinical Pathology and Medical Research, Westmead Hospital, Sydney, New South Wales, Australia

Jodie McVernon

pca@student.unimelb.edu.au (PC); j.mcvernon@unimelb.edu.au (JM)

Affiliation Vaccine & Immunisation Research Group, Murdoch Childrens Research Institute and Melbourne School of Population Health, The University of Melbourne, Parkville, Victoria, Australia

Competing Interests

The authors have read the journal's policy and have the following conflicts: GlaxoSmithKline (GSK) provided antigen for the assay. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: PMcI HQ LH GLG. Performed the experiments: LH GLG. Analyzed the data: PC JMcV HQ PMcI. Wrote the paper: PC PMcI HQ LH GLG JMcV.