By Ebola has been known about for decades, but there is still no vaccine against the Bundibugyo strain of the virus causing the current outbreak. New research raises hopes of protection against the various types of Ebola.
https://www.dw.com/en/ebola-why-is-there-still-no-vaccine/a-79888134?maca=en-rss-en-all-1573-rdf
