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近几年来,我县伤寒的发病率逐年升高,也常有局部流行现象。为论证伤寒的非典型患者和隐性感染(下称隐感)在流行病学上所起的作用,并为制订防治措施找出科学依据。于1981年在伤寒流行高峰季节内,我们采用肥达氏反应的方法,对本县的樊川、丁伙、丁沟三个流行公社的13个村、镇伤寒病人的不同接触程度的人员,进行了血清凝集价的测定。现将调查情况和结果,报道如下。
In recent years, the incidence of typhoid fever in our county has been increasing year by year, and it is also often endemic. In order to demonstrate the epidemiological role of atypical pneumonia patients and latent infections (hereinafter referred to as “hidden sensitization”), and to find out the scientific basis for formulating prevention and control measures. In 1981, during the epidemic peak season of typhoid fever, we adopted the Widal reaction method to conduct a survey of 13 villages in three popular communes of Fanchuan, Dinghu and Dinggou, and persons with different degrees of contact with typhoid fever patients The determination of serum agglutination price. Now the investigation of the situation and results are reported below.