About the Authors

Jennifer MacLellan

j.maclellan@ucl.ac.uk

Affiliation University College London, Research Department of Infection and Population Health, 4th floor Mortimer Market, off Capper Street, London, United Kingdom

Julian Surey

Affiliation University College London, Research Department of Infection and Population Health, 4th floor Mortimer Market, off Capper Street, London, United Kingdom

Ibrahim Abubakar

Affiliation University College London, Research Department of Infection and Population Health, 4th floor Mortimer Market, off Capper Street, London, United Kingdom

Helen R. Stagg

Affiliation University College London, Research Department of Infection and Population Health, 4th floor Mortimer Market, off Capper Street, London, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JM IA HRS. Performed the experiments: JM JS. Analyzed the data: JM JS HRS. Wrote the paper: JM JS IA HRS.