U.S. Ambassador to Liberia Deborah Malac, in white, and president of Liberia Ellen Johnson Sirleaf, left, speak to reporters after touring Ebola treatment unit built to care for medical workers who become infected while treating Ebola patients, in Harbel, Liberia, November 5, 2014 (U.S. Army/Nathan Hoskins)
U.S. Ambassador to Liberia Deborah Malac, in white, and president of Liberia Ellen Johnson Sirleaf, left, speak to reporters after touring Ebola treatment unit built to care for medical workers who become infected while treating Ebola patients, in Harbel, Liberia, November 5, 2014 (U.S. Army/Nathan Hoskins)