Public health is the combination of all the measures required for the facilitation of health and prevention of disease. It makes an effort to provide complete care through surveillance of cases, health indicators and promotion of healthy habits. This discipline incorporates behavioral health, health economics, public policy, insurance medicine, biostatistics, etc. This book elucidates the concepts and innovative models around prospective developments with respect to public health. It explores all the important aspects of this discipline in the present day scenario. The various studies that are constantly contributing towards advancing technologies and evolution of this field are examined in detail. The extensive content of this book provides the readers with a thorough understanding of the subject. Students, researchers, doctors, public health professionals, experts and all associated with this area will benefit alike from this book.