Ebola is a deadly disease caused by a virus. The 2014 outbreak has occurred mainly in West Africa. Symptoms often start with fever, severe headache, muscle pain, abdominal pain, diarrhea, and vomiting. Late symptoms include bleeding, organ failure, and often, death.
Review Date 12/13/2017
Updated by: Jatin M. Vyas, MD, PhD, Assistant Professor in Medicine, Harvard Medical School; Assistant in Medicine, Division of Infectious Disease, Department of Medicine, Massachusetts General Hospital, Boston, MA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.