内容简介：
If you could go back far enough in your genealogy, you would find that your ancestors were viruses. Never underestimate what a virus can do. Travis Weld, leader of a clandestine government team pursuing terrorists, decodes a phone message from someone offering to sell a deadly new virus to an illicit weapons dealer. But who is the seller and what is the virus? Weld sends beautiful environmental graduate student Chesney Barrett to covertly probe the world of virology and viruses. Her search leads to a virology research company. Chesney encounters suspicious deaths, angry and ambitious virologists, and a longtime feud that may hold the key to identifying the virus. Each new clue generates contradictions. Each probing for answers intensifies the danger. But the ultimate adversary is the virus, more sophisticated and deadly than anyone imagined. Like a cunning serial killer, the elusive virus has chosen its next target. This time it will kill millions. Everyone it touches will die.