流行病学(Epidemiology)是研究特定人群中疾病、健康状况的分布及其决定因素,并研究防治疾病及促进健康的策略和措施的科学。 [原文] Epidemiology is to study specific diseases , health condition of population distribution and its determinants of prevention and treatment of disease, and to promote health and research of the strategies and measures of science.