Ebola outbreak on track to be deadliest ever, WHO chief says BBCDeadly disease outbreak kills 2,000 as experts reveal what Americans should know Fox NewsNew transmission from animals likely caused Congo-Uganda Ebola outbreak, study says ReutersDR Congo Ebola outbreak set to become deadliest on record, WHO warns Al Jazeera2,000 people in Congo dead amid rapidly expanding Ebola outbreak – National Global News