Ebola vaccine trial proves 100% successful in Guinea

Rapid development and testing of drug may bring current epidemic in west Africa to an end and control future outbreaks, experts say

A vaccine against Ebola has been shown to be 100% successful in trials conducted during the outbreak in Guinea and is likely to bring the west African epidemic to an end, experts say.

The results of the trials involving 4,000 people are remarkable because of the unprecedented speed with which the development of the vaccine and the testing were carried out.