Biologic agents have been used throughout history to influence battles. Recently, biologic agents have been used as terrorist weapons. A review of the history of biologic weapons and a medical overview of the Centers for Disease Control and Prevention Category A and B agents is provided, including history, pathogenesis, clinical presentation, microbiology/virology, diagnosis, treatment, and each agent's use or potential use as a weapon. Background information on public health issues surrounding bioterrorism and the role of oral and maxillofacial surgeons in a bioterrorist event also is provided.
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