Table of contents : Chapter 1 What Is Public Health? Chapter 2 Assessment: Defining and Measuring Health and Determinants of Health Chapter 3 Public Health and the Healthcare System Chapter 4 Law, Government, and Public Health Chapter 5 Twenty-First Century Community Public Health Practice Chapter 6 Public Health Practice: Future Challenges Chapter 7 Public Health Workforce Chapter 8 Public Health Administration Chapter 9 Environmental and Occupational Health Chapter 10 Public Health Nursing Chapter 11 Epidemiology and Statistics Chapter 12 Health Education and Information Chapter 13 Additional Public Health Professional and Technical Occupations Appendix Selected National Academy of Medicine (formerly the Institute of Medicine) Reports on Public Health eChapter Public Health Preparedness and Response to the COVID-19 Pandemic