Bruce Kaplan1
, Laura H Kahn2
, Thomas P Monath3
and Jack Woodall4 
1
4748 Hamlets Grove Drive, Sarasota, Florida 34235, USA
2
Program on Science and Global Security, Woodrow Wilson School of Public and International Affairs, Princeton University, 221 Nassau Street, 2nd floor, Princeton, New Jersey 08542, USA
3
Kleiner Perkins Caufield & Byers, Pandemic & Biodefense Fund, 21 Finn Road, Harvard MA 01451, USA
4
Nucleus for the Investigation of Emerging Infectious Diseases, Institute of Medical Biochemistry, Center for Health Sciences, Federal University, Rio de Janeiro, Brazil