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伤寒副伤寒病是影响中小学生健康的主要肠道传染病之一。为了指导防治、控制流行，降低发病，我们对１９８９～１９９８年盐城市中小学生伤寒副伤寒发病特征进行分析。我市１９８９～１９９８年在校中小学生累计９９２８４３２人，其中共发生伤寒７７７５例，年均发病率７８－?
Typhoid fever paratyphoid is one of the main intestinal infectious diseases that affect the health of primary and secondary school students. In order to guide the prevention and control, epidemic control and reduce the incidence, we analyzed the incidence of typhoid and paratyphoid fever among primary and secondary school students in Yancheng from 1989 to 1998. A total of 9928,432 primary and secondary school students were enrolled in our city from 1989 to 1998, of which 7775 were typhoid fever with an average annual incidence of 78-?