In this course we focus on global populations and are concerned with whole system approaches rather than focusing at an individual level. This course will enable you to develop the appropriate skills through training that covers epidemiology and research methods, statistics, public health foundations and an understanding of the epidemiology of infection, disease and injury. The essence of public health is to prevent disease, promote health and prolong life. It focuses on populations and is concerned with whole system approaches rather than on individuals. Public health professionals include those from a wide variety of backgrounds including nursing, medicine and dentistry, environmental health, public policy, law and social sciences. The three functions of public health include the assessment and monitoring of community needs for health and wellbeing, the formulation of policies that promote health and wellbeing and to ensure that equal access to appropriate care and services is prioritised.