Ebola has spread mainly in Africa. And the reason it didn't spread on a large scale wasn't because of good medical care. On the contrary, countries like Sierra, Liberia and Guinea are among the poorest in Africa.
I will analyze the historical data of Ebola here to support COVID-19 research.
Fatality: 0% - 15%
Fatality Rate: 1% - 55%
Fatality Rate: 83% - 100%
Predict the trend of COVID-19