Public, Environmental & Occupational Health

"Public health is the science and art of preventing disease, prolonging life, and promoting health through the organized efforts and informed choices of society, organizations, public and private communities, and individuals. It is concerned with threats to health based on population health analysis. The focus is on the health of entire populations rather than individuals. The aim is to prevent health problems from happening or re-occurring by implementing educational programs, developing policies, administering services, and conducting research. In many cases, treating a disease or controlling a pathogen can be vital to preventing it in others, such as during an outbreak. Vaccination programs and distribution of condoms to prevent the spread of communicable diseases are examples of common preventive public health measures, as are educational campaigns to promote vaccination and the use of condoms (including overcoming resistance to such)." - wikipedia