About the Authors

Stefan Flasche

Stefan.Flasche@lshtm.ac.uk

Affiliation London School of Hygiene and Tropical Medicine, London, United Kingdom

Olivier Le Polain de Waroux

Affiliation London School of Hygiene and Tropical Medicine, London, United Kingdom

Katherine L. O’Brien

Affiliation International Vaccine Access Center, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, United States of America

W. John Edmunds

Affiliation London School of Hygiene and Tropical Medicine, London, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SF WJE. Performed the experiments: SF OLPdW. Analyzed the data: SF OLPdW KLO WJE. Wrote the paper: SF OLPdW KLO WJE.