Bird Flu Data Should Be Kept Under Wraps, Science Panel Says

(CNN) -- Details of a genetically altered strain of the deadly avian flu virus are "a grave concern" to public safety and should be kept under wraps, a federal advisory board declared Tuesday. In a letter released by the journals Science and Nature, the 23-member National Science Advisory Board for Biosecurity said the data behind a new strain of the virus can be used to help prepare for a possible future outbreak. But the board recommended the researchers' findings be published without "methods or details" that could be used by terrorists to produce a biological weapon.

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