Affliction

Anita Blake is no stranger to the supernatural. In this book, she faces something with zombie-like traits, that has been biting humans so they rot, from the inside out. Micah's father is on his deathbed, having only days left to live. Anita accompanies Micah on a flight to his hometown. As Micah faces his family for the first time in years, Anita follows clues that lead to this mysterious creature, and the only way of finding a cure.