The Ebola epidemicA scientist Browse All Authors Famous Quotes by The Ebola epidemicA scientist This particular vaccine, although it's still experimental, does look hopeful from past experience in Guinea and Sierra Leone, but we don't know for sure, if in fact it is safe and effective, it really will be a game-changer in terms of being able to more quickly stop future Ebola epidemics. The Ebola epidemicA scientist health-news