Excerpt from the private journal of Dr. Erica Kennedy, interim director of the CDC:

I feel like I am chasing a ghost. Everywhere I turn in these wet markets I see places where the virus could linger and grow. Stagnant pools of water, the droppings of birds mingling with pigs. The sharp claws of monkeys who bite and scratch anyone who gets too close to their cages. The filth and the mix of animals is everywhere, and I feel the seeds of mankind's destruction being sown and ...