Public health is at a turning point and is high on the political agenda and public concern, particularly in regards to infectious diseases. This book reviews the current status of specialist public health practice and the role of the specialist in health protection, health improvement and social care equality. It analyses the tools that specialists bring to public health and the possibilities for future developments. This book is vital reading for public health specialists in training, postgraduate students of MSc Public Health courses, practitioners and managers in public health. It will also be of interest to academic institutions involved in teaching public health skills and policy makers and shapers.