About the Authors

Flavie Vial

f.vial@imperial.ac.uk

Affiliation Department of Infectious Disease Epidemiology, MRC Centre for Outbreak Analysis and Modelling, School of Public Health, Imperial College London, London, United Kingdom

W. Thomas Johnston

Affiliation Department of Health Sciences, University of York, York, United Kingdom

Christl A. Donnelly

Affiliation Department of Infectious Disease Epidemiology, MRC Centre for Outbreak Analysis and Modelling, School of Public Health, Imperial College London, London, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CAD FV. Analyzed the data: FV WTJ. Wrote the paper: FV WTJ CAD. Interpreted the results: FV CAD. Extracted GIS data: WTJ.