what is ebola virus ?

 the ebola virus was the half-dozen sources violent outbreaks especially in West Africa.The Ebola virus was first identified in 1976 in Sudan and Nzara Quà Yambuku northern Zaire. From June to November 1976, the Ebola virus has infected 284 people in Sudan by 117 deaths
In Zaire, there were 318 cases and 280 deaths from September to October.
An isolated case occurred in Tandala in Zaire in 1977 and a second blaze In 1989 and 1990, a filovirus named Ebola-Reston was isolated from macaque monkeys quarantined at laboratories in Reston (Virginia), Alice (Texas) and Philadelphia (Pennsylvania) in the USA.
These all came from monkeys quarantined export licenses dune near Manila in the Philippines where the virus was also isolated.

- A large epidemic occurred in Kikwit in Zaire in 1995, there were 315 infections including 244 deaths.

- A single case of Ebola hemorrhagic fever and epidemic among chimpanzees were also observed in Côte d'Ivoire in 1994.

- In Gabon, the first outbreak of Ebola hemorrhagic fever virus was identified in 1994, other outbreaks were documented in February 1996 and July 1996.

- No infection with Ebola virus navait been reported until this epidemic quéclate Gulu in Uganda in the fall 2000. out in Sudan in 1979.

The haemorrhagic fever viruses are divided into four families:
The flaviridés the bunyaridés the Arenaviridae and Filoviridae which are the longest virus ever known.

Ebola belongs to the family Filoviridae, gender filoviruses which includes several different biotypes: the débola Zaire virus (called Mayinga), Ebola Sudan and Ebola Reston.

Lébola virus is a single stranded RNA enveloped virus (helical nucleocapsid) whose morphology is similar to but Marburg virus antigenic structure differs.
It can measure up to 1500 nm long with a diameter of 80 nm.