About the Authors

Lucy C Okell, Chris J Drakeley, Christopher J. M Whitty
Department of Infectious and Tropical Diseases, London School of Hygiene & Tropical Medicine, London, United Kingdom

Teun Bousema
Department of Medical Microbiology, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands

Azra C Ghani
MRC Centre for Outbreak Analysis and Modelling, Department of Infectious Disease Epidemiology, Imperial College London, London, United Kingdom

Corresponding Author

Lucy.Okell@lshtm.ac.uk

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

LCO conceived the study, carried out the analysis and drafted the paper; CJD, TB and CJMW contributed substantially to the design and interpretation and revised the manuscript critically; ACG was involved closely in all stages of the conception, design, and analysis for the study, and editing of the manuscript.