PREVIEW
In the fall of 2001, letters containing anthrax spores sent to US politicians and news organizations caused panic and renewed concern about bacteriologic warfare. Anthrax is only one of many bacterial agents that, in the wrong hands, can cause large-scale illness and death. In this article, Drs Tjaden, Lazarus, and Martin discuss the presentation, diagnosis, prevention, and treatment of anthrax, plague, tularemia, and brucellosis, should outbreaks occur.