This popular book is written by the award-winning teacher, Dr. Leon Gordis of the Bloomberg School of Public Health at Johns Hopkins University. He introduces the basic principles and concepts of epidemiology in clear, concise writing and his inimitable style. This book provides an understanding of the key concepts in the following 3 fully updated sections: Section I: The Epidemiologic Approach to Disease and Intervention; Section II: Using Epidemiology to Identify the Causes of Disease; Section III: Applying Epidemiology to Evaluation and Policy. Clear, practical graphs and charts, cartoons, and review questions with answers reinforce the text and aid in comprehension.

本畅销书由霍普金斯大学彭博公共卫生学院获奖教师Leon Gordis撰写。他以其特有的清晰、简明的写作方式介绍了流行病学的基本原理与概念。本书通过以下三个完全更新的部分阐述了流行病学的关键概念：第一部分：疾病与干预的流行病学方法；第二部分：应用流行病学鉴定疾病病因；第三部分：应用流行病学进行评估与政策制定。清晰、实用的图表、插画以及配以答案的复习题加强了读者对文章的理解。

* Utilizes new full-color format to enhance readability and clarity. * Provides new and updated figures, references and concept examples to keep you absolutely current - new information has been added on Registration of Clinical Trials, Case-Cohort Design, Case-Crossover Design, and Sources and Impact of Uncertainty ( disease topics include: Obesity, Asthma, Thyroid Cancer, Helicobacter Pylori and gastric/duodenal ulcer and gastric cancer, Mammography for women in their forties) – expanded topics include Person-time. * Includes STUDENT CONSULT access, allowing you to: Access the complete contents of the book online, anywhere you go…perform quick searches * and add your own notes and bookmarks. * Test yourself with the additional TEST BANK including 200 MCQs, plus complete rationales for all self-assessment Q&A in the print book. . * Reference all other STUDENT CONSULT titles you own online, too—all in one place!

* Introduces both the underlying concepts as well as the practical uses of epidemiology in public health and in clinical practice. * Systemizes learning and review with study questions in each section and an answer key and index. * Illustrates textual information with clear and informative full-color illustrations, many created by the author and tested in the classroom.