Integration of basic principles of public health and biological and chemical terrorism concerns. Basic environmental health aspects of biological, chemical and nuclear agents are presented along with interventions to reduce potential morbidity and mortality from terrorist activities. Psychological and economic aspects of terrorist threats and events are considered. Terrorism involving contamination of air, food, and drinking water is discussed in detail along with prevention and decontamination procedures. Biological agents covered in depth include anthrax, smallpox, shigella, salmonella, cryptosporidium, cholera, emerging diseases and other Centers for Diseases Control priority agents. Chemical agents include chemical warfare agents (nerve, blood and blister), metals, volatiles, pulmonary agents, pesticides, corrosive acids, explosives, radionuclides and other CDC priority agents. Community-driven, institutional health and safety, federal, and state antiterrorism programs are discussed. Field trips to state and emergency response agencies dealing with terrorism prevention and response are included.