1 Conservation International, Arlington, VA 22202, USA; Department of Medicine, Columbia University, New York, NY, USA. Electronic address: nvora@conservation.org.
2 Universiti Putra Malaysia, Serdang, Malaysia.
3 Department of Public and Ecosystem Health, Cornell University, Ithaca, NY, USA.
4 The Lancet, London, UK.
5 Preventing Pandemics at the Source, Washington, DC, USA.
6 Harvard Global Health Institute, Cambridge, MA, USA.