What was the theme of Kathy book Virals?

The central theme of Kathy Reichs' *Virals* is the confrontation between scientific advancement and its ethical implications, particularly in the context of genetic engineering and the potential for its misuse. This is explored through the mystery itself, which involves a clandestine operation using genetic manipulation, and the characters' grapple with the discoveries they make. Sub-themes include:

* Trust and betrayal: The relationships between the main characters, and their evolving trust (or lack thereof) in each other and authority figures.

* The power of science: The novel highlights both the incredible potential and the inherent dangers of scientific progress, specifically in genetic research.

* Coming of age: The protagonists are teenagers navigating complex situations and making important decisions about their future and their values.

* Family and loyalty: The importance of family bonds, both biological and chosen, are explored throughout the narrative.

While the mystery plot itself is a significant component, the underlying message concerning the ethical responsibilities of scientific innovation forms the dominant theme.