Ebola in US - U.S. President Barack Obama pauses as he talks to U.S. Secretary of Health

U.S. President Barack Obama pauses as he talks next to U.S. Secretary of Health and Human Services Sylvia Burwell (L) and Director of the Centers for Disease Control and Prevention Dr. Thomas Frieden (R) after meeting with his team coordinating the government's Ebola response in the Oval Office of the White House in Washington.