An American Ebola patient arrives at the University Hospital in Atlanta . He is a U.S. citizen who got sick in Sierra Leone , State Department says . The Ebola virus causes viral hemorrhagic fever , which refers to virus types that affect multiple organ systems in the body and are often accompanied by bleeding . An air ambulance transported the patient to Atlanta .
An American Ebola patient arrives at the University Hospital in Atlanta . He is a U.S. citizen who got sick in Sierra Leone , State Department says . An air ambulance transported the patient to Atlanta .