Bioterrorism involves the intentional release of biological agents like bacteria or viruses. Anthrax is a serious disease caused by the Bacillus anthracis bacterium, which forms spores that can remain dormant in the soil for many years. Anthrax spores are considered a potential bioterrorism threat because they are easily produced in a dry powder form that can spread through the air or other materials and remain infectious for years. Symptoms of anthrax infection vary depending on how exposure occurred but can include skin sores, flu-like symptoms, or gastrointestinal issues. While anthrax infections can be deadly, they can be treated effectively with long-term antibiotic treatment if caught early.