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Ebola Vaccine Might Be Coming, But Where's It Been?

Health officials are working to fast-track a vaccine — the West-African Ebola outbreak has killed more than 700. But why didn't we already have one?

http://www.wgrz.com/video/3708056824001/1/Ebola-Vaccine-Might-Be-Coming-But-Wheres-It-Been http://cdn.newslook.com/c2/c2ec7282e5f18f2b180c1b7d155c49a3/images/frame_ext.jpg Ebola Vaccine Might Be Coming, But Where's It Been? Health officials are working to fast-track a vaccine — the West-African Ebola outbreak has killed more than 700. But why didn't we already have one? nbcThe Washington PostnewslookWorldscience 02:03

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