Israeli News is reporting Duncan passed today.
http://www.israelnationalnews.com/News/Flash.aspx/305795#.VDGELBawQmV
Not surprising. Either you die a 7-10 days after symptoms (last Friday) or you recover. When he got downgraded yesterday, that was the end.
Would not be a big surprise. I have read that the Ebola death rate varies from 70-90% depending on getting treatment or not.