The first phase, disease prevention and disease. Method is generally accepted that the most effective, the most economical and effective prevention and control of the disease than most other levels. The main objective of any disease prevention in advance is to adjust the living conditions of humans or.Improve environmental conditions or both aspects together. In order to achieve the conditions that various diseases cannot be born or live. By promoting the people"s health to complete both the body and mind, resistance to various diseases as much as possible. Improved sanitation environmental hygiene to prevent from a carrier and media the disease. In order to make the spread of infections that cause disease. Through various media available in the community over which activities in the prevention of diseases. In advance are as follows.
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