Introduction 1 Part 1: Getting Started with Epidemiology 5 Chapter 1: Entering the World of Epidemiology 7 Chapter 2: Epidemiology 101 -- Understanding the Basics 17 Chapter 3: Exploring the Development of Epidemiological Thinking 41 Chapter 4: Eyeing the Milestones in Public Health 59 Chapter 5: Recognizing Diseases and Controlling Them 77 Part 2: Understanding Disease Causation 103 Chapter 6: Tackling the Epidemiologic Triangle 105 Chapter 7: Inspecting Descriptive Epidemiology: Person, Place, and Time 117 Chapter 8: Viewing Disease Patterns 135 Chapter 9: Linking Demography and Disease 149 Chapter 10: Digging into Math: Calculating Rates and Risks 163 Part 3: Prevention Is Better Than a Cure 187 Chapter 11: Focusing on the Levels of Prevention 189 Chapter 12: Preventing Disease with Vaccine 199 Chapter 13: Recognizing Methods of Disease Surveillance 223 Chapter 14: Investigating an Outbreak 231 Chapter 15: Identifying Disease by Screening 247 Part 4: Examining a Study Finding 265 Chapter 16: Figuring Out Whether an Association Is Causal 267 Chapter 17: Investigating the Types of Epidemiologic Studies 287 Chapter 18: Encountering Bias and Confounding 313 Chapter 19: Focusing On Ethics in Health Research 329 Part 5: The Part of Tens 343 Chapter 20: Ten Careers with a Degree in Epidemiology 345 Chapter 21: Ten Tips for Acing Your Epidemiology Classes 351 Glossary 357 Index 363.