Fox BusinessJohnson & Johnson to Begin Testing Ebola Vaccine in JanuaryWall Street JournalMarie-Paule Kieny, the World Health Organization's assistant director-general for health systems and innovation, spoke about work on Ebola vaccines in Geneva on Tuesday. Fabrice Coffrini/AFP/Getty Images. By. Jonathan D. Rockoff And. Jonathan D.WHO: Ebola vaccine trials in W.