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流行病学调查的目的主要是找出疾病发生的原因及其防疫措施的漏洞,以便有针对性地采取措施,及时制止疾病的蔓延。但是,人们常常在疾病酿成流行时或病人发生较多时才进行调查,而对散发病例却不够重视,不予调查或调查不及时。这是造成疫情扩大蔓延的重要因素之一。现就这一问题谈一些看法。一、调查的意义所谓散发是指病例散在或零星地出现而言。因为任何传染病在人群中发生与传播,必须具备传染源、传播途径与易感者3个环节,以及存在有利于传播的自然条件与社会
The purpose of epidemiological investigation is mainly to find out the causes of the disease and the loopholes in the epidemic prevention measures in order to take targeted measures to stop the spread of the disease in time. However, people often do not conduct investigations when the disease is prevalent or when there are many patients. However, people do not pay enough attention to the distribution of the cases, and do not investigate or investigate in an untimely manner. This is one of the important factors contributing to the spread of the epidemic. We are now talking about this issue. First, the significance of the investigation The so-called distribution is the case of scattered or sporadic appearance. Because any infectious disease occurs in the population and spread, it must have the source of infection, transmission and susceptibility of three links, and there are conducive to the dissemination of natural conditions and society