Blood Covenant (Thorndike Press Large Print Christian Fiction: Mission Hope)

When fighting erupts between government forces and renegade Ghost Soldiers in the Republic of Dhambizao, thousands are forced to flee. Dr. Paige Ryan, working with Volunteers of Hope, leads a team to set up a refugee transit site where the needs for shelter, water, sanitation, and food are critical. Then a group of American mountain climbers is attacked. When they are rescued by Paige's team, one of the survivors brings an infectious disease into the camp.