Ebola Zaire vanished. In 1994, the virus reappeared and started hopscotching around the rain forest of Central Africa. "It goes away for a while and comes back," Walsh says.

Source Reference: PREVAC Study Team "Randomized trial of vaccines for Zaire Ebola virus disease" N Engl J Med 2022; DOI: 10.1056/NEJMoa2200072. Share on Facebook. Opens in a new tab or window.

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STEPHEN MORSE: I don't think it's more lethal than other strains of Ebola Zaire. This is a highly lethal virus. I think the problem is that there are a large number of people getting infected and ...

The deadly Ebola virus is snatching headlines once again as the Democratic Republic of Congo faces its ninth outbreak since its discovery more than four decades ago.

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