An incredible, disturbingly plausible tale of what happens to a world where medical treatments have minds of their own i09.com Parasite is believable, disturbing and only the beginning ... The distrubingly realistic plot, coupled with interspersed events of hostility from the infected, make for a suspense ridden read SciFiNow A creepy spine-tingler of a medical thriller Charles Stross The most readable, wittily written - and even charming zombie thriller in years MORNING STAR Interesting, morally ambiguous characters and some genuinely unexpected plot developments . . lives up to its intriguing premise THE LIST Existing in a unique space somewhere between medical thriller, psychological science fiction and body horror, Parasite is a properly chilling read THE ELOQUENT PAGE A riveting near-future medical thriller that reads like the genetically-engineered love child of Robin Cook and Michael Crichton John Joseph Adams Parasite is a thoroughly enjoyable nightmare SUNDAY SPORT So tense that I sometimes forgot to breathe THE NOCTURNAL LIBRARY on SYMBIONT