First published clinical data show prime-boost Ebola vaccine regimen produced an antibody response in 100 percent of healthy volunteers that was sustained 8 months following immunization. An Ebola vaccine is still urgently needed to address the problem of Ebola persistence in affected countries and to prevent future outbreaks. Partners involved in the clinical program for the Ebola vaccine regimen include the Janssen Pharmaceutical Companies of Johnson & Johnson, the London School of Hygiene & Tropical Medicine, the University of Oxford, Inserm, Bavarian Nordic and Europe’s Innovative Medicines Initiative.