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Public health agencies impose standards of public health on local communities when needed; they give financial and technical assistance to local communities in time of crisis, such as that caused by epidemics, hurricanes, and _________.

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Wikipedia Encyclopedia has defined "Public Health" as: "Public health refers to the science and art of preventing disease, prolonging life and promoting human health through organized efforts and informed choices of society, organizations, public and private, communities and individuals. It is concerned with threats to health based on _______________________."

The focus of public health intervention is to improve health and quality of life through prevention and treatment of disease and other physical and mental health conditions. This is done through surveillance of cases and health indicators, and through promotion of ______________________.

The focus of a public health intervention is to prevent and manage diseases, injuries and other health conditions through surveillance of cases and the promotion of healthy behaviors, communities and ________________.

Treating a disease or controlling a pathogen can be vital to preventing its spread to others, either during an outbreak of infectious disease or through _________________ of food or water supplies.