About the Authors

Heath Kelly

heath.kelly@mh.org.au

Affiliation Victorian Infectious Diseases Reference Laboratory (VIDRL), North Melbourne, Victoria, Australia

Heidi A. Peck

Affiliation WHO Collaborating Centre for Reference and Research on Influenza, Victorian Infectious Diseases Reference Laboratory (VIDRL), North Melbourne, Victoria, Australia

Karen L. Laurie

Affiliation WHO Collaborating Centre for Reference and Research on Influenza, Victorian Infectious Diseases Reference Laboratory (VIDRL), North Melbourne, Victoria, Australia

Peng Wu

Affiliation School of Public Health, The University of Hong Kong, Hong Kong Special Administrative Region, China

Hiroshi Nishiura

Affiliations School of Public Health, The University of Hong Kong, Hong Kong Special Administrative Region, China, PRESTO, Japan Science and Technology Agency, Saitama, Japan

Benjamin J. Cowling

Affiliation School of Public Health, The University of Hong Kong, Hong Kong Special Administrative Region, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Wrote the paper: HK HAP KLL BJC. Designed the study: HAP HK. Developed the search strategy: HAP BJC KLL. Performed the search and identified studies: HP KLL. Assessed studies for eligibility: HK HAP KLL. Performed the re-analysis of cumulative incidence and confidence intervals: PW HN BJC. Approved the final version of the manuscript: HK HAP KLL PW HN BJC.