Parasite

In this novel, humanity has achieved near-immunity to diseases thanks to the SymboGen Corporation's genetically engineered tapeworms.

However, these parasites start to become restless and seek their own lives, leading to a potential apocalypse.

The story follows Sally Mitchell, a young woman who survived a car accident thanks to one of these tapeworms but now faces strange medical crises and must navigate a world where the tapeworms are causing people to become erratic and violent.

The book blends elements of science fiction, horror, and thriller genres, with a strong focus on the scientific plausibility and the immediate, scary implications of the tapeworms' actions.