http://www.channelnewsasia.com/news/...t/1319184.html
“Liberia in desperate hunt for missing Ebola patients”
http://saharareporters.com/2014/08/18/new-ebola-case-lagos-runaway-nurse-brought-back-enugu-discharged
Case of a false negative that later turned positive.
Hopefully this will be the only one.