Zaire ebolavirus is obviously the most well known species (mind you, they are classified into species and not merely strains) because of its devastating effect in the West African epidemic.

There are now six recognised species of the genus Ebolavirus. Thus, in addition to Zaire ebolavirus (ZEBOV) there are Bundibugyo ebolavirus (BDBV), Reston ebolavirus (RESTV), Sudan ebolavirus (SUDV), Taï Forest ebolavirus (TAFV), and Bombali ebolavirus (BOMV), which being the latest addition after its discovery in 2018. Four of them namely ZEBOV, RESTV, SUDV, and BDBV are known to infect humans, yet only three of them ZEBOV, SUDV, and BDBV cause Ebola virus disease in humans, and they are equally dangerous. TAFV affects only chimpanzees, and BOMV is found only in bats (insofar as they are known). But the danger is that BOMV was experimented to infect human cells.

is there a possibility of Tai ebola to affect humans?@Kholhring Lalchhandama

Taï Forest ebolavirus (TAFV) is particularly interesting because when it was identified it was transmitted from champanzee to human. As the story goes, there were episodic outbreaks of Ebola disease among chimpanzees at the Taï National Park in western Cote-d’Ivoire in 1992 and 1994. A freshly dead chimpanzee was discovered in November 1994 and a female scientist performed an autopsy so that blood and tissue samples would be sent to France for analysis. After a few days, the woman was hospitalised due to dengue-like fever. She had acute fever, diarrhoea and rash. She survived and recovered in Switzerland. When her blood samples were analysed, it was found to contain unique strain of Ebola virus - later called TAFV.

This discovery is the only known human case. But it is clear that TAFV is definitely pathogenic and dangerous to humans.