From blockbuster author Michael Palmer comes a novel of medical suspense that raises chilling questions: Who ends up with the blood samples you routinely give? What else are they being used for? Why don't you know? In Boston, a disgraced medical student is sent to deliver a research paper that could save her career... In a hospital four thousand miles away, a reclusive scientist, dying from an incurable disease that threatens to make each tortured breath his last, is on the verge of perfecting a serum that could save millions of lives--and bring others inestimable wealth... In Chicago, a disillusioned detective is hired to determine the identity of a John Doe, killed on a Florida highway, with mysterious marks on his body. Three seemingly disconnected lives, surging unrelentingly toward one another-- and linked forever by THE FIFTH VIAL "A terrifying vision of the Hippocratic oath gone very wrong."--"Entertainment Weekly" "Palmer taps a real medical issue for storytelling thrills."--"Boston"" "Magazine"" "A tale set at the very edge of our medical knowledge. I loved it!"--Tess GerritsenPalmer, Michael is the author of 'Fifth Vial', published 2007 under ISBN 9780312937744 and ISBN 0312937741.