CDC raises response to highest level amid Ebola outbreak

Ebola outbreak "definitely not under control"

What Is Ebola? Six Things You Need to Know

Ebola outbreak declared global health emergency

CDC director discusses the Ebola outbreak in west Africa

Passenger Who Showed Possible Ebola Symptoms Does Not Have Disease

Special Report: CDC Investigating Passenger with Possible Ebola Symptoms

U.S. to monitor incoming travelers for Ebola symptoms