All a concerned person has to do is google "Ebola incubation period." One of the most popular medical web sites has it right up front: http://ebola.emedtv.com/ebola/ebola-incubation-period.html 2-21 days [that's +/-2σ]
The CDC has been honest huh? What are you smoking?
http://www.freerepublic.com/focus/f-chat/3214194/posts?page=5#5