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What Is Ebola?

A reliable vaccine has been created for Ebola in monkeys.
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  • Written By: Brendan McGuigan
  • Edited By: Niki Foster
  • Last Modified Date: 02 April 2014
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Ebola is a deadly virus originating in parts of Africa. It is classified as a hemorrhagic fever, putting it in the same category as Marburg fever, Lassa fever, and Dengue fever. There are four varieties, named after their country of origin. Ebola Zaire, Ebola Cote d'Ivoire, and Ebola Sudan are all known to cause serious illness in human beings. Ebola Reston does not appear to cause illness in people.

The virus may be transmitted through bodily fluids such as blood and secretions. Well-established vectors for infection include handling other primates infected with Ebola, contact with infected corpses during funeral services, and touching infected patients without exercising proper caution. It is thought that the disease may be transferred through airborne particles, but so far there are no proven cases of this method of infection. Hospital staff are particularly susceptible to infection during an outbreak, particularly in the nations in which Ebola has so far occurred. Difficult economic conditions and a lack of access to proper sterilization and protective garments make nurses and doctors an easy target when they deal with patients who have been infected with this virus.

Contrary to popular misconception, Ebola does not kill within a matter of hours, and the virus will incubate for up to two weeks before symptoms begin to occur. These symptoms include a rapidly intensifying fever, horrible muscle pain, and debilitating weakness. Further symptoms may include diarrhea and vomiting, as well as both internal and external bleeding.

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While popular media has presented the symptoms of Ebola as fast-acting and truly horrific visually, in most cases there is little external exhibition of the virus. While external bleeding may occur on occasion, it is rare, and the popular image of people "melting" or of internal organs literally liquefying is blown out of proportion. In fact, although it is classified as a hemorrhagic fever, less than half of cases ultimately result in hemorrhaging. When hemorrhaging does occur, however, it is certainly capable of some grotesque exhibitions, with bleeding possibly occurring from the mouth, genitals, nose, and beneath the skin.

The first outbreak of Ebola in which the virus was identified occurred in western Sudan and part of Zaire, now known as the Democratic Republic of Congo, in 1976. More than 600 people were infected, and more than 400 died. In 1995, a second large outbreak occurred in the Democratic Republic of Congo, infecting 315 people and killing 250. Since first being identified, more than 1,800 cases have been determined, of which 1,200 resulted in deaths, making it one of the most fatal viruses to affect humans.

There have been reports that ingesting an extract from a West African fruit helps to treat Ebola once it has been contracted; these reports have yet to be rigorously tested, however. Work on a vaccine is ongoing, with the recent success of a totally reliable vaccine for Ebola in monkeys. Though no human vaccine has been produced that yields positive results, the future is promising.

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Discuss this Article

anon303907
Post 10

I have a few questions: What sort of bacteria causes Ebola (other sites give different answers).

How did the disease get its name?

If the disease is caught, how can the doctors and nurses treat it? How could the people who are in an area where they are likely to catch it keep themselves from catching it?

anon263350
Post 9

How is Ebola caused by microbes?

anon188776
Post 7

How can ebola be calculated?

sikkim
Post 5

to #2

The different ways of contracting Ebola are explained in the article as "vectors of infection."

The most common way to get Ebola is via the transfer of bodily fluids. Ebola can also be contracted through contact with infected corpses or handling infected primates.

Although there are no proven cases, it is believed that ebola may be transferred through airborne particles.

anon5928
Post 2

How do you contract the disease Ebola?

anon5533
Post 1

What germ is Ebola?

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