Laura H. Kahn, MD, MPH, MPP, FACP Program on Science and Global Security Woodrow Wilson School of Public and International Affairs Princeton University, Princeton, NJ, Bruce Kaplan, DVM Sarasota, Fla, Thomas P. Monath, MD Kleiner Perkins Caufield & Byers, Pandemic & Biodefense Fund Harvard, Mass, James H. Steele, DVM, MPH University of Texas School of Public Health, Houston, Tex