article_snippet: (CNN)After months racing not only to treat Ebola but to find ways to prevent Ebola, health authorities will launch a vaccination campaign Saturday in one of the areas that has been most devastated by Ebola.
article_snippet: Another vaccine will be tested in a subsequent study, according to a press release from the World Health Organization, Medecins Sans Frontieres (Doctors Without Borders), and the Norwegian Institute of Public Health.
article_snippet: If a vaccine is found effective, a vaccine will be the first preventive tool against Ebola in history.
article_snippet: But the tool that has been used to eradicate many other contagious diseases -- vaccines -- has been elusive.
article_snippet: That's why, over the past six months, WHO has been working with scientists, ethicists and policymakers to try to create both better treatment therapies and a vaccine that will stop people for getting Ebola in the first place.
article_snippet: An effective vaccine to control current flare-ups could be the game-changer to finally end this epidemic and an insurance policy for any future ones.
highlights_snippet: WHO leader: This vaccine could be "the first preventive tool against Ebola in history"
  