Washington University Record, Nov. 2, 2006 http://record.wustl.edu/calendar.html Monday, Nov. 6, 11 a.m. Midwest Center of Regional Excellence for Biodefense and Emerging Infectious Diseases Guest Lecture. Topic is "Rickettsial Diseases as Bioterror Threats" with Dr. David Walker, executive director, University of Texas Medical Branch Center for Biodefense and Emerging Infectious Diseases. Farrell Learning & Teaching Center, Holden Case Study Rm. 286-0432.