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近代科学技术日新月异,流行病学在近20～30年来,无论在研究内容、理论和方法都经历着深刻的变革。一、研究范围不断扩大,研究内容更加丰富随着人类疾病谱的变化和人们对卫生保健要求的提高,流行病学已经从以往的研究传染病为主,逐步过渡到包括传染病和非传染病在内的疾病流行病学。目前,开展健康流行病学研究也已正式提出,从而形成了传染病、非传染病、健康问题三大研究领域的新形势。
Modern science and technology with each passing day, epidemiology in the past 20 to 30 years, no matter in the research content, theory and method are undergoing profound changes. First, the scope of the study continues to expand, more rich in research As the spectrum of human disease changes and people’s health care requirements increase, epidemiology has been from the previous study of infectious diseases, the gradual transition to include infectious diseases and non-communicable diseases Epidemiology of diseases. At present, the research on health epidemiology has also been formally put forward, thus forming a new situation in the three major research fields of infectious diseases, non-communicable diseases and health problems.