A suspected case was defined as a sudden onset of high fever in a patient who had contact with a person with suspected, probable, or confirmed EVD, with a dead or sick animal, or with any person with a sudden onset of high fever and at least three of the following symptoms or clinical signs: headache, vomiting, anorexia, diarrhea, lethargy, stomach pain, aching muscles or joints, difficulty swallowing or breathing, or hiccup; unexplained bleeding; or any sudden, unexplained death. A probable case was defined as any suspected case evaluated by a clinician or any person who died from suspected EVD and had an epidemiologic link to a confirmed case but was not tested and did not have laboratory confirmation of the disease. A probable or suspected
