U.S. Army Staff Sgt. Lori Dameron, Joint Task Force-Bravo Medical Element, explains how to prevent the Zika, Dengue and Chikungunya viruses, and other illnesses common to the area, to a group of Guatemalans with the help of a translator from the Guatemalan Ministry of Health during a Medical Readiness Training Exercise at Jocotán, Chiquimula, Guatemala, April 29, 2016. After completing this initial health class, vitamins and de-worming medication are also provided for both children and adults. (U.S. Army photo by Maria Pinel)