WHO announces start of Ebola vaccine clinical trial in DR CongoHealthOct 23 at 12:22 PM – Oct 23 at 8:36 PM3 outletsAl Jazeera EnglishWHO announces start of Ebola vaccine clinical trial in DR Congo seen Oct 23 at 8:36 PMBloombergEbola Vaccine Trial Begins in Congo With Three Shots in Sight Oct 23 at 12:22 PMForbesEbola Vaccine Trials Begin In DRC As Death Toll Nears 4,700 Oct 23 at 5:07 PM