This Very Short Introduction outlines the nature of public health in our world today and places public health in its historical context from the earliest times,

As doctors and biologists have learned, to their dismay, infectious disease is a moving target: new diseases emerge every year, old diseases evolve into new for

What is epidemiology? What are the causes of a new disease? How can pandemics be prevented? Epidemiology is the study of the changing patterns of disease and it

Public health is a term much used in the media, by health professionals, and by activists. At the national or the local level there are ministries or department

What is epidemiology? What are the causes of a new disease? How can pandemics be prevented? Epidemiology is the study of the changing patterns of disease and it