Drug manufacturer GlaxoSmithKline (GSK) transfers its rights to advance the development of the deadly Ebola Zaire, Ebola Sudan and Marburg virus vaccines to the Sabin Vaccine Institute in the US.
After initially setting out to test two vaccines on 28,000 volunteers during West Africa's deadly Ebola epidemic, a U.S.-Liberia research team had to dramatically reduce its aspirations when the outbreak started coming to an end.