To Build a Killing Machine :The Scientist [2007-05-01]


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To Build a Killing Machine As he entered the cramped academic office at St. Mary's Hospital in London seven years ago, David Kirn wasn't sure anything would come out of meeting with one of the world's top experts on pox viruses. Kirn hoped that Imperial College professor Geoffrey Smith would help him determine if a member of the viral genus that includes smallpox - and the vaccinia virus used to eradicate that killer from