1 Lewis-Sigler Institute for Integrative Genomics, Princeton University, Princeton, NJ 08540, USA. csaadroy@princeton.edu grenfell@princeton.edu caroline.wagner@mcgill.ca.
2 Department of Pathology and Cell Biology, Columbia University Medical Center, New York, NY 10032, USA.
3 Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ 08544, USA.
4 Princeton School of Public and International Affairs, Princeton University, Princeton, NJ 08544, USA.
5 Departments of Epidemiology and Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, Boston, MA 02115, USA.
6 High Meadows Environmental Institute, Princeton University, Princeton, NJ 08544, USA.
7 The Wellcome Trust, London NW1 2BE, UK.
8 Marie Bashir Institute for Infectious Diseases and Biosecurity, School of Life and Environmental Sciences, and School of Medical Sciences, The University of Sydney, Sydney, NSW 2006, Australia.
9 Department of Zoology, University of Oxford, Oxford OX1 3SZ, UK.
10 Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ 08544, USA. csaadroy@princeton.edu grenfell@princeton.edu caroline.wagner@mcgill.ca.
11 Fogarty International Center, National Institutes of Health, Bethesda, MD 20892, USA.
12 Department of Bioengineering, McGill University, Montreal, QC H3A 0C3, Canada. csaadroy@princeton.edu grenfell@princeton.edu caroline.wagner@mcgill.ca.