Provides a summary of what anthrax is, how someone can become infected, and how infection affects the body. Advocates preincident planning by creating a response plan, coordinating with local authorities, and examining company policies for opening mail. Outlines the steps to take to deal with suspicious letters or packages. Provides basic guidelines for minimizing exposure to yourself and others if an anthrax threat occurs. Emphasizes how knowledge, a calm attitude, and taking proper precautions are the best defense against any potential anthrax threat.