The coming zombie apocalypse

In recent years American culture has developed a fascination with zombies. Although the subject of zombies has been found in literature, film and television for many decades, the interest has reached a new level.

One of the most-watched cable TV series in the last few years has been The Walking Dead about a post-apocalyptic world overrun by zombies. And a new phenomenon called “zombie walks” has appeared in which people walk through a city dressed up as zombies for various reasons.

In 2011 the U.S. government officially capitalized on the zombie craze when the Center for Disease Control and Pr...