BUZZ-Tekmira Pharmaceuticals: Ebola treatment for U.S. Defense
** Canadian drugmaker's U.S.-listed shares up 6 pct at $16.72 premarket
** Says on Thursday U.S. Department of Defense exercised an option for the company to make 500 courses of its experimental treatment for Ebola
** Up to Thursday's close, stock had fallen about 25 pct since Sept. 30, when the first patient was diagnosed with Ebola in the United States
** TAKE A LOOK-World On Alert To Contain Ebola Outbreak
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