Book

Includes bibliographical references and index.

What is public health? -- Health from an ecological perspective -- Public health and the health system -- Law, government, and public health -- 21st-century public health practice : community health improvement and preparedness -- The public health workforce -- Public health administration -- Environmental and occupational health -- Public health nursing -- Epidemiology and disease control -- Public health education and information -- Other public health professional occupations -- Public health program occupations -- Public health practice : future challenges.