The efficacy and effectiveness of rVSV-vectored vaccine in preventing Ebola virus disease was demostrated in a Guinea ring vaccination, open-label, cluster-randomised trail.

The resultsadd weight to the interim assessment that rVSV-ZEBOV offers substantial protection against Ebola virus disease, with no cases among vaccinated individuals from day 10 after vaccination in both randomised and non-randomised clusters.Read more here.