Lost Immunity: A Thriller

*Instant National Bestseller

In this explosive new thriller from international bestselling author Daniel Kalla, an experimental vaccine is deployed to battle a lethal outbreak-until patients start dying of unknown causes.

An ordinary day
The city of Seattle is stunned when a deadly bacteria tears through a nearby Bible camp. Early tests reveal the illness is a form of meningitis, and the camp's residents are among its most vulnerable victims: children and teenagers.

A new vaccine
Facing a ra...