Number: RL31864 Title: High-Threat Biological Agents: Characteristics, Effects, and Policy Implications Authors: Dana A. Shea, Resources, Science, and Industry Division Abstract: Since the anthrax mailings of 2001, policymakers have been implementing programs to decrease the vulnerability of the United States to terrorist use of biological weapons. This report discusses high-threat biological agents, focusing on the Centers for Disease Control and Prevention definition for Category A pathogens (bacteria and viruses), their treatment and detection, current policies, and possible future approaches to reducing their threat. Pages: 22 Date: Updated October 30, 2003