Although the historical relationship between bed bugs and humans dates back to ancient Egypt, the common bed bug, or Cimex lectularius, vanished from the beds of Americans around World War II. In the late 1990s, however, our bloodsucking bedfellows returned. Bed bug infestations are a growing public health issue. Bed bugs are now found in all fifty states, with populations in five states reaching epidemic levels. Both the Environmental Protection Agency (EPA) and the Center for Disease Control and Prevention(CDC) consider bed bugs a “pest of significant public health importance. Despite their name, bed bugs are not limited to the bed, the bedroom, or even the home. Infestations exist in both public and private settings, and anyone visiting...