Two American medical missionaries suffering from the Ebola virus are in isolation at Emory University Hospital in Atlanta this week. They were flown out of Liberia, where the virus has infected nearly 250 people.
More than 900 people have died from Ebola throughout Africa. Officials from the Centers for Disease Control say the epidemic is spreading quickly because health facilities have been overwhelmed.
On The Daily Circuit, we discuss the characteristics of the disease, the response and some of the geopolitical questions that have been raised.
Do you have a question about how the disease is spread or what it may mean for travel in other parts of the world? Leave your questions in the comments below.