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Public health officials are responsible for supervising the purity of the water, milk, and food supply as well as the persons who handle these items and the public eating places that dispense them. They are responsible for the good health of animals that supply food and for the _______________ of wildlife, rodents, and insects that contribute to disease.

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Public health officials collect vital ___________ on death rates, birth rates, communicable and chronic diseases, and other indicators of the state of public health.

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 _________.

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 ______________________.