1. APIC Bioterrorism Task Force, CDC Hospital Infections Program Bioterrorism Working Group. Bioterrorism Readiness Plan: A Template for Healthcare Facilities. Available at: http://emergency.cdc.gov/bioterrorism/pdf/13apr99APIC-CDCBioterrorism.pdf.
2. Plague gives surprises in the first decade of the 21st century in the United States and Worldwide;Butler;Am J Trop Med Hyg,2013
3. The history and threat of biological warfare and terrorism;Noah;Emerg Med Clin North Am,2002
4. Unit 731: Japan’s Secret Biological Warfare in World War II;Williams,1989
5. Dennis DT, Gage KL, Gratz N, et al. Plague Manual: Epidemiology, Distribution, Surveillance and Control. Available at: http://www.who.int/csr/resources/publications/plague/whocdscsredc992a.pdf.