Allergen

Allergen, a psychological thriller book about a serial killer who kills using allergens. Dr. Vincent Vango , the top Immunologist in Lancaster, Pennsylvania, decides to begin to dwell in other tests, eventually pushing him into murdering his patients with their allergens. Is he a vigilante, or a vindicator? Simultaneously working under the government, he meets a ring of different serial killers, that has ties to government officials. It's up to a set of teens, Michael, Will, Dior, and Kai to take down Vincent, and expose the governments actions while working under his aid.