In this Very Short Introduction, an internationally recognized authority on epidemiology, Dr.

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

A Very Short Introduction considers where particular diseases come from, how they are transmitted from one person to another, why some individuals are more susc