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为掌握斑疹伤寒在我市的流行规律，对西安市１９９０～１９９７年斑疹伤寒的疫情资料进行分析。资料来源 西安市卫生防疫站及所辖１３个区、县１９９０年至１９９７年疫情年报表。结果 （１）发病概况：１９９０～１９９７年全市报告发病７６５例，年平均发病率为１５４／?
To understand the epidemic of typhus in our city, the epidemic data of typhus in Xi’an from 1990 to 1997 were analyzed. Source of information Xi’an Health and Epidemic Prevention Station and under the jurisdiction of 13 districts and counties from 1990 to 1997 outbreak report. Results (1) Morbidity profile: In 1990-1997, 765 cases were reported in the city, with an average annual incidence of 1.54%.