Objective: to grasp Pingzhou community residents with chronic non-infectious diseases and risk factors of disease, evaluation of chronic non-infectious diseases community complex intervention.
There are two basic stages of yaws disease - early (infectious) and late (non-infectious).
雅司病有两个基本阶段：早期(有传染性)和晚期(无传染性)。
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The greatest change of the 20th century health care is the change of human disease spectrum—the original dominant infectiousdisease gradually being replaced by chronic and non-communicable diseases.