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一、流行病学判断根据初步调查所获得的资料,运用流行病学分析的方法,对本次不明原因以高热、头痛为主要症状的流行病进行如下推理判断。 (一)不是肠道传染病。在肠道传染病中,临床表现与其相似的应首先考虑是脊髓灰质炎。但是,(1)发病季节不符;(2)病人年龄分布以青壮年为主,15～34岁占发病数的70.1%,而脊髓灰质炎则以儿童为主,尤其是以5岁以下者为多见(90%)。所以,该病可以排除。 (二)不是呼吸道传染病。鉴于临床特征
I. Epidemiological Judgment According to the information obtained from the preliminary investigation, epidemiological analysis is used to make the following reasoning judgment on the epidemic with high fever and headache as the main reasons for this unexplained reason. (A) is not an intestinal infectious disease. In the intestinal infectious diseases, clinical manifestations should be the first to consider polio. However, (1) the onset of the season did not match; (2) the age distribution of the patients was mainly young and middle-aged, accounting for 70.1% of the cases at the age of 15 to 34 years, while poliomyelitis was predominantly children, especially those under 5 years of age More common (90%). So, the disease can be ruled out. (B) is not a respiratory disease. In view of clinical features