Public Health England exist to protect and improve the nation's health and wellbeing, and reduce health inequalities. Public Health England provides strategic leadership and vision for protecting and improving the nation's health. Its ambition is to lead nationally and enable locally a transformation in the health expectations of all people in England regardless of where they live and the circumstance of their birth. It will achieve this through the application of research, knowledge and skills. It is a distinct delivery organisation with operational autonomy to advise and support Government, local authorities and the NHS in a professionally independent manner.