Public health facilitates health for all through organized efforts to prevent disease, reduce risk and disparities, and promote health. Educational programs, policies, health services, research, and direct care are all part of public health.

While public health addresses the upstream and downstream factors of health conditions, its focus is upstream factors. Public health differs from population health in the focus and scope of work.

community health — a specialty area of nursing and health practice focused on the health and risks of a specific locality or community of people. public health — a specialty area of nursing and health practice focused on supporting the well-being of society through organized efforts to ensure health is attainable for all. public health emergencies — illnesses or health conditions that pose a significant risk to communities that are either occurring or may imminently occur; the risk may be a substantial number of fatalities…. secondary prevention — initiatives implemented to detect diseases or health conditions early on in their course so they can be diagnosed early and promptly treated to stop or slow progression and….