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Experimental Ebola vaccine draws eager test volunteers
Experimental Ebola vaccine draws eager test volunteers

Two years ago, Khandra Sears contracted malaria for the good of science. Two weeks ago, the 33-year-old postdoctoral fellow became a test subject in research to stop another scourge: Ebola. She was injected with 100 billion particles of a chimpanzee cold virus that had been modified to resemble Ebola. Over the next year, she will give researchers copious amounts of her blood to test for antibodies that could disable the Ebola virus. On a recent visit, her body just wouldn't bleed anymore. She couldn't fill the ninth and final vial researchers sought to fill. But for Sears and many of the other volunteers, the sacrifice is worth it. She is among 20 research subjects who have...

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