Volume 5, Number 4—August 1999
        
THEME ISSUE
            
Bioterrorism
    Historical Review
Historical Trends Related to Bioterrorism: An Empirical Analysis
Figure 3

Figure 3. (A) Actual chemical and biological incidents vs. hoaxes, 1960–1998 (278 cases). (B) Chemical and biological hoaxes over time, 1960–1998 (93 cases: 43 chemical, 50 biological).
Page created: December 13, 2010
                            Page updated: December 13, 2010
                            Page reviewed: December 13, 2010
        
    The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
