1. World Health Organization
http://www.who.int/csr/sars/country/table2003_09_23/en
2. Clarke, R. Against All Enemies: Inside America's War on Terror, Ch. 7 (Free Press, New York, 2004).
3. US Department of State. National Strategy for Combating Terrorism (February 2003).
http://usinfo.state.gov/topical/pol/terror/strategy/#intro
4. Rudman, W. et al. Emergency Responders: Drastically Underfunded, Dangerously Unprepared. Report of an Independent Task Force Sponsored by the Council on Foreign Relations (2003).
5. Alibek, K. & Handelman, S. Biohazard, Ch. 20 (Hutchinson, London, 1999).