These videos describe the Category A diseases: smallpox, anthrax, botulism, plague, tularemia, and viral hemorrhagic fevers. If these germs were used to intentionally infect people, they would cause the most illness and death. Watch these videos to learn how some of these agents have been or can be used as bioterrorist weapons.
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Note: Parts of this video were adapted from "Biological Warfare and Terrorism: The Military and Public Health Response," co-produced by the United States Army Medical Research Institute of Infectious Diseases (USAMRIID), the Food and Drug Administration (FDA), and the Centers for Disease Control and Prevention (CDC), 1999.
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versions available for most of these segments.