Breaking News HealthWHO Gives Ebola Zaire Vaccine Pre-qualification StatusEDITORNovember 15, 2019November 15, 2019 by EDITORNovember 15, 2019November 15, 20190816 Merck (NYSE: MRK), known as MSD outside the United States and Canada, today announced that ERVEBO [Ebola Zaire Vaccine has been awarded prequalification status by...