BIOS 230 Lecture Notes - Lecture 14: Recall Bias, Bioterrorism, Epidemiology
Document Summary
Chapter 23: toxic school lunch: chemical poisoning of elementary school children in joliet, illinois - Ammonia poisoning in the chicken strips - stephanie. Schools and hospitals immediately notified the health department about unusual explosion of illness. Students started to feel sick almost immediately after lunch (42 kids and. 2 adults were taken to er on ambulance!) It"s obvious that kids aren"t regularly taken from schools to ers in large numbers. Note: this was post-9/11 time and people were worried about bioterrorism (anthrax) Epidemiologist requested members of the illinois rapid response team, eid officer, and communicable disease section regional staff person. Did not have tentative case definition, but had an actual case definition. Cases were counted because they went to the er; all students were given questionnaire that assessed if they were cases. Gave questionnaire to students and staff quickly after outbreak (to prevent recall bias)
