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Available for over a year

How deadly is the Ebola virus? It’s often said that it kills up to 90% of victims, but while that’s true of one outbreak, the death rate in other Ebola outbreaks has varied widely. More or Less investigates what we know about how dangerous Ebola is, what factors might influence whether people survive once they’re infected, and how likely it is that there might be an outbreak of the virus in the United States or Europe.