About the Authors

David A. Rasmussen, Oliver Ratmann, Katia Koelle
Department of Biology, Duke University, Durham, North Carolina, United States of America

Oliver Ratmann
Imperial College London, Department of Infectious Disease Epidemiology, London, United Kingdom

Katia Koelle
Fogarty International Center, National Institutes of Health, Bethesda, Maryland, United States of America

Corresponding Authors

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DAR OR KK. Performed the experiments: DAR. Analyzed the data: DAR. Wrote the paper: DAR OR KK.