About the Authors

Fatimah S. Dawood

fdawood@cdc.gov

Affiliation Influenza Division, Centers for Disease Control and Prevention (CDC), Atlanta, Georgia, United States of America

Kirsty G. Hope

Affiliation Hunter New England Population Health and Newcastle Institute of Public Health, University of Newcastle, Wallsend, New South Wales, Australia

David N. Durrheim

Affiliation Hunter New England Population Health and Hunter Medical Research Institute, Wallsend, New South Wales, Australia

Rodney Givney

Affiliation Hunter Area Pathology Service, John Hunter Hospital, Newcastle, New South Wales, Australia

Alicia M. Fry

Affiliation Influenza Division, Centers for Disease Control and Prevention (CDC), Atlanta, Georgia, United States of America

Craig B. Dalton

Affiliation Hunter New England Population Health and Hunter Medical Research Institute, Wallsend, New South Wales, Australia

Competing Interests

Dave Durrheim is a member of the Strategic Advisory Group of Experts (SAGE) on Immunization to the Director General of the World Health Organization and provides advice on Pandemic H1N1 vaccine policy.

Author Contributions

Conceived and designed the experiments: FD KGH DND AMF CBD. Analyzed the data: FD. Contributed reagents/materials/analysis tools: RCG. Wrote the paper: FD. Contributed to the interpretation of the analysis results and to the revision and final preparation of the manuscript for submission: KGH DND RGC AMF CBD. Provided laboratory data from Hunter Area Pathology Services: RGC.