1 Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ, USA. Electronic address: rbirger@princeton.edu.
2 Division of Infectious Diseases and Hospital Epidemiology, University Hospital Zürich, University of Zürich, Zürich, Switzerland; Institute of Medical Virology, University of Zürich, Zürich, Switzerland.
3 Department of Epidemiology of Microbial Diseases, Yale School of Public Health, New Haven, CT, USA.
4 Department of Entomology, Gardner Hall, Derieux Place, North Carolina State University, Raleigh, NC 27695-7613, USA.
5 ISGlobal, Barcelona Ctr. Int. Health Res. (CRESIB), Hospital Clínic -Universitat de Barcelona, Barcelona, Spain.
6 Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ, USA; Medical Scientist Training Program, Emory University School of Medicine, Atlanta, GA, USA.
7 Department of Diagnostic Medicine/Pathobiology, Institute of Computational Comparative Medicine, College of Veterinary Medicine, Kansas State University, Manhattan, KS, USA.
8 Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ, USA; Fogarty International Center, National Institutes of Health, Bethesda, MD, USA.