Ebola is (was) too fast and too lethal to ever find an effective cure. As of 5 (ish) years ago when I was took microbiology there was no known source of it. It would simply appear, infect everyone who came into contact with body fluids from patient zero onward, and within a day or three be gone. It was that effing fast. By the time aid workers got to the place everyone was usually dead, already. That's part of why this is such big news. Ebola has never -to my knowledge- behaved this way before. There was no long incubation period (f*cking measles takes up to 21 'days before symptoms appear! Sorry, personal vendetta with motherf*cking measles), so Ebola stayed very local to wherever it spawned, and burned out even faster.
That's the big reason many countries hold patents on different strains of Ebola (as well as every other big bad nasty bug). In order to try and create a vaccine or any kind of treatment, they have to have the virus itself to work with. Most infections are dealt with in real time. Ebola has always moved too fast.
Y'all will like this... Because to find a vaccine or treatment means to also find ways to weaponize it... All big bad microbes are tagged. They replicate so quickly -new cold every year- that the patents/tags identify which country and which lab any bio weapon comes from. So if an outbreak happens... One of the first things is done is to run it through the database to find out if it originated in a lab Greenland, or Micronesia, (US, Iran, China, etc,) ... Or if it's a natural variant. Most of the time what & how many patents by who and where have security clearances attached, for obvious reasons.