Some individuals with African ancestry have at least partial immunity to malaria, just as some individuals with European ancestry have at least partial immunity to bubonic plague, so I suppose that's possible.
“Some individuals with African ancestry have at least partial immunity to malaria, just as some individuals with European ancestry have at least partial immunity to bubonic plague, so I suppose that’s possible.”
Apparently, if we survive a specific flu infections, we develope an immunity to that virus.
So if a person survived a mild case of Ebola, they would probably have immunity to that strain. Apparently, this virus mutates at the drop of a hat.