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Year in Review: Ebola Vaccines on the Way

The race to develop Ebola vaccines closed in on the finish line this year, as scientists tested two candidates that could ultimately be stockpiled for future outbreaks. Both vaccines target a protein made by Zaire ebolavirus, the virus that raged through West Africa in 2014 and early 2015, killing more than 11,000 people (SN: 12/27/14, p. 14). The epidemic now appears under control across West Africa, with only a few cases in Liberia.