Ebola has a 90% mortality rate. He is one of the 10% who made it.
“Ebola has a 90% mortality rate”
It depends on your point of view.
For those poorly treated or not treaded, yes 90%
As the care level increases so do survival rates.
EVD has a risk of death in those infected, between 25% and 90%. As of September 2014, the average risk of death among those infected is 50%. The highest risk of death was 90% in the 2002–2003 Republic of the Congo outbreak.
https://en.wikipedia.org/wiki/Ebola_virus_disease#Management