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
The authors have declared that no competing interests exist.
Conceived and designed the experiments: DAR OR KK. Performed the experiments: DAR. Analyzed the data: DAR. Wrote the paper: DAR OR KK.