Here In Washington Wednesday ... President Obama Spoke With Reporters About Sending To West Africa An Experimental Ebola Drug, Known As Z-Mapp, That Appears To Have Helped Two Americans With The Virus .... The World Health Organization Said Wednesday ... The Overall Toll From Ebola Outbreak In West Africa Has Risen To 932 Deaths, From A Total Of More Than 1,700 Cases, Liberia And Sierra Leone Have Suffered The Greatest Number Of Ebola Infections And Related Deaths.