Ebola vaccine may be 'up to 100% effective': WHO
PARIS - A prototype vaccine for Ebola may be "up to 100 percent effective" in protecting against the deadly virus, the World Health Organization (WHO) said Friday.
In a major clinical trial, nearly 6,000 people in Guinea were given the test vaccine last year, at the tail end of a lethal epidemic of Ebola. Not one of the 6,000 contracted the disease, researchers reported in The Lancet medical journal.
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