About the Authors

Members of the Western Pacific Region Global Influenza Surveillance and Response System

partridgej@wpro.who.int

Members of the Western Pacific Region Global Influenza Surveillance and Response System are provided in the Acknowledgments.

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: GS JP. Performed the experiments: GS JP. Analyzed the data: GS JP. Contributed reagents/materials/analysis tools: GS JP. Wrote the paper: GS JP. All authors contributed to design of the study, collection of data and analysis. Gina Samaan and Jeffrey Partridge wrote the first draft of the manuscript and shared it with other contributors for comments and final approval.