Centers for Disease Control and Prevention Epidemiology Program Office Case Studies in Applied Epidemiology No.751-N99 An Epidemic of Deaths in the London Fog Instructor's Guide case study,the participant should be able to: Construct and interpret graphs of time-related data; Calculate and discuss excess mortality: Discuss thestrengthnd limii of mortality data,and the interpretaion of morality external events;and Construct and interpret a scattergram. This case study was originally developed for the CDC EIS Summer Course by Malcolm Harrington EIS 'xx)in the 1970s. An a ersion was developed at the World Health Organization by and was adapted and revised py Ric U.S.DEPARTMENT OF HEALTH AND HUMAN SERVICES Public Health Service Centers for Disease Control and Prevention Epidemiology Program Office Case Studies in Applied Epidemiology No. 751-N99 An Epidemic of Deaths in the London Fog Instructor's Guide Learning Objectives After completing this case study, the participant should be able to: G Construct and interpret graphs of time-related data; G Calculate and discuss excess mortality; G Discuss the strengths and limitations of mortality data, and the interpretation of mortality patterns in light of external events; and G Construct and interpret a scattergram. This case study was originally developed for the CDC EIS Summer Course by Malcolm Harrington (EIS 'xx) in the 1970s. An alternative version was developed at the World Health Organization by Todd Kjellström and Nancy Hicks in 1991. The current version contains features from both versions, and was adapted and revised by Richard Dicker in 1999. U.S. DEPARTMENT OF HEALTH AND HUMAN SERVICES Public Health Service