1. Allison T. Chamberlain, MS, is a doctoral student; Katherine Seib, MSPH, is Senior Research Program Coordinator; Ellen A. S. Whitney, MPH, is Deputy Director; and Ruth L. Berkelman, MD, is Director; all in the Emory University Preparedness and Emergency Response Research Center, Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, Georgia. Dr. Berkelman is also Rollins Professor, Department of Epidemiology, and Saad B. Omer, MBBS, MPH, PhD, is Assistant Professor,...