BUZZ-Ebola drug makers: U.S. seeks production plans for ZMapp
** Shares of Chimerix Inc down 3.4 pct at $34.21, of Tekmira Pharmaceuticals Corp down 5 pct at $21.68 and of NewLink Genetics Corp down 8.7 pct at $29.10
** U.S. health officials ask 3 advanced biology laboratories to submit plans for producing experimental ebola drug, ZMapp, made by privately held Mapp Pharmaceuticals, government and lab officials said
** Chimerix, Tekmira and NewLink have also developed ebola drugs, which have been used in a few patients
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