chapter SECTION 1 Surveillance of Waterborne Disease -- chapter 1 Principles and Components of Surveillance Systems -- chapter 2 Local Surveillance Systems -- chapter 3 National Surveillance Systems -- chapter 4 International Surveillance -- chapter Section 2: Investigation of Outbreaks of Waterborne Disease -- chapter 5 A Systems Approach to the Investigation and Control of Waterborne Outbreaks -- chapter 6 Early Detection of Water-Related Disease Outbreaks -- chapter 7 Microbiology and the Investigation of Waterborne Outbreaks: Typing of Norwalk-Like Virus -- chapter 8 Microbiology and the Investigation of Waterborne Outbreaks: The Use of Cryptosporidium Typing in the Investigation of Waterborne Disease -- chapter 9 Engineering Considerations in the Investigation of Waterborne Outbreaks -- chapter 10 Causes of Waterborne Outbreaks Reported in the United States, 1991–1998 -- chapter 11 Cryptosporidium in England and Wales -- chapter Section 3: Investigation of Sporadic Waterborne Disease -- chapter 12 Using Existing Surveillance-Based Data -- chapter 13 Geographical Information Systems -- chapter 14 Time Series Analyses -- chapter 15 Seroepidemiology -- chapter 16 Case-Control Studies -- chapter 17 Prospective Epidemiological Studies -- chapter 18 Intervention Studies -- chapter 19 Prospective Studies of Endemic Waterborne Disease in Developing Countries.