Our ancient planet is full of secrets, and as global warming takes hold, a hidden pathogen has been awoken from a frozen grave. Dr. Katie McMann, a specialist in the field of aging and longevity, finds herself at the heart of an intense research effort that turns into a race against time - for the whole of humanity. As she and others struggle to track down the source of a killer disease that is wiping out millions of people across the world, she is forced to face her own mortality and that of those dearest to her. Will Katie and a team of experts around the globe find a cure? Or will this new, frightening pathogen prove to be the final chapter for the human race? The Perfect Pathogen is an intense, fast-paced novel that explores the potential cost of human intervention and mismanagement of our planet and its resources, and combines a scientific perspective with a deeply personal one.