U.S. military

The U.S. had planned to build 17 treatment units across Liberia, one in each county's major town. Now that more cases are appearing in remote areas, the Army may need to rethink its strategy.

The number of U.S. troops fighting Ebola in West Africa is set to increase dramatically this month, and the first two field hospitals erected by U.S. troops in Liberia will open in the coming days.

The scientists who study humans and their cultures could help health care professionals treat people who are reasonably, desperately afraid, they argue.