ScienceEbola patients…neededTo play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScienceGudrun Heise02/09/2015February 9, 2015Scientists seem convinced they will soon have a working Ebola vaccine. But the only way they will know for sure is if they have enough live patients on which to run clinical trials.https://p.dw.com/p/1EYhoAdvertisement Report: Gudrun Heise