1 Kelsey Lane Warmbrod, MS, MPH, and Amanda L. Kobokovich, MPH, are Senior Analysts; and Gigi Kwik Gronvall, PhD, and Michael Montague, PhD, are Senior Scholars; all at Johns Hopkins Center for Health Security, Baltimore, MD. Rachel West, PhD, is a Health Scientist and Presidential Management Fellow, Waterborne Disease Prevention Branch, Division of Foodborne, Waterborne, and Environmental Diseases, National Center for Emerging and Zoonotic Infectious Diseases, US Centers for Disease Control and Prevention, Atlanta, GA.