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It looks like the Ebola epidemic that has ravaged West Africa for over a year may soon be under control. Last week, there were only a handful of new cases in Guinea and Sierra Leone. Meanwhile, scientists are getting closer to a vaccine to prevent these outbreaks from occurring again.

Written by Sarah Kellett The largest outbreak of Ebola ever recorded is happening in West Africa. Since February this year, more than 1000 people have been killed by the Ebola virus. Last week, the World Health Organization declared the outbreak a public health emergency of international concern.