Scientists have discovered a previously unknown species of Ebola virus, called Bombali virus, that’s carried by at least two species of bats in Sierra Leone. This is the first Ebola virus species detected in an animal before having been detected in humans. Although researchers believe the…

The West African Ebola outbreak , which peaked between August and September 2014, killed 11,310 people, according to the World Health Organization . But some people survived , and from one comes hope. Researchers report today (May 18) in the journal Cell that the blood…