Outbreak narratives have proliferated for the past quarter century, and now they have reached epidemic proportions. From 28 Days Later to 24 to The Walking Dead, movies, TV shows, and books are filled with zombie viruses, bioengineered plagues, and disease-ravaged bands of survivors. Even news reports indulge in thrilling scenarios about potential global pandemics like SARS and Ebola. Why have outbreak narratives infected our...