BUZZ-Tekmira Pharmaceuticals Corp: Making more of Ebola drug to take months
** Drug developer's shares down 10.8 pct at $16.60 in extended trading
** CEO Mark Murray says exploring possibility of making more of its experimental Ebola treatment
** "Making more of the treatment would take months," Murray said on a conference call
** Tekmira shares jumped about 20 pct on Aug. 7 after U.S. FDA modified clinical hold on company's experimental Ebola drug to enable its potential use in humans infected with the virus
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