Tyvek hoods hang in a row on a coat rack at the Zwedru Ebola testing laboratory ran by Soldiers of the 1st Area Medical Laboratory, based out of Aberdeen Proving Ground, Md., Feb. 9, 2015. The Zwedru lab is the first of four laboratories that will shut down in the next few weeks. Operation United Assistance is a Department of Defense operation in Liberia to provide logistics, training and engineering support to U.S. Agency for International Development-led efforts to contain the Ebola virus outbreak in western Africa. (U.S. Army photo by Staff Sgt. Terrance D. Rhodes, Joint Forces Command – United Assistance Public Affairs/RELEASED)