New rules come into effect in the United States later for people traveling from West African nations hit hardest by Ebola.

Those arriving from Guinea, Liberia or Sierra Leone will have to fly through the 5 U.S. airports already screening passengers for the disease.

But it's not a travel ban, which Barack Obama has been opposing.

However, White House spokesman Josh Earnest says the president supports some measures being put in place - like this one: