Ebola history and symptoms

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Michael Maddaleni, B.S.; Guillermo Rodriguez Nava, M.D. [2]

Overview

Ebola causes a variety of symptoms which may include fever, chills vomiting, diarrhea, generalized pain or malaise, and sometimes internal and external bleeding, that follow an incubation period of 2-21 days. These symptoms are common to all species of Ebola virus, but the different species may present with differences in the severity of symptoms.

History

Ebola hemorrhagic fever should be suspected in patients with acute febrile illness, hemorrhagic symptoms, and a history of travel to an endemic area. The history of a patient with suspected Ebola virus infection requires a clear assessment of exposure. Patients who present with fever and have a recent travel to endemic countries, particularly to West Africa including Sierra Leone, Liberia, Guinea, and Nigeria, should be suspected to have Ebola virus infection. Exposure to Ebola virus include direct contact, exposure to blood or body fluids of infected patients, processing of blood or body fluids of a patient with suspected or confirmed Ebola virus infection, and contact with a dead body without appropriate personal protective equipment in an endemic country. Other important clues during history-taking include: duration and character of fever and other constitutional symptoms, presence of systemic manifestations, appearance of any hemorrhagic symptoms, and presence of sick contacts and their symptoms.

Early Symptoms

Incubation period ranges from 2 to 21 days. The majority of symptomatic patients have fatal outcomes. Patients often initially develop flu-like or malaria-like symptoms before multisystem organ failure and bleeding diasthesis take place.

Constitutional symptoms

Skin

Musculoskeletal

Respiratory

Gastrointestinal

Ophthalmological

Hemorrhagic disease

  • Epistaxis
  • Mucosal bleeding

Late Symptoms

Respiratory

Cardiovascular

Gastrointestinal

Neurological

Hemorrhagic Disease

References

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