You are only infectious during illness and it requires contact with fluids. It's exasperated by local funeral rituals where people interact with the dead body and get infected.
I’ll do my best to avoid the overnight cuddle vigil with an Ebola corpse.
https://www.cbc.ca/news/world/ebola-tent-fire-congo-9.721000...
I tend to do this naturally. Even people who sound like they might cough up blood.