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伤寒作为安阳市主要肠道传染病之一，多年来通过开展综合性防治措施，使伤寒发病率显著下降。为探讨伤寒在我市的流行规律，制定有效的防制措施，现根据我市历年来伤寒疫情报告资料及流行病学调查资料，将１９５３～１９９８年安阳市伤寒发病资料汇总分析如下。１流行强度：?
As one of the main intestinal infectious diseases in Anyang City, typhoid fever has significantly reduced the incidence of typhoid fever through comprehensive preventive and control measures over the years. In order to explore the epidemic law of typhoid fever in our city and formulate effective prevention and control measures, according to the typhoid epidemic report data and epidemiological investigation data of our city over the years, the data of typhoid fever in Anyang from 1953 to 1998 are summarized as follows. 1 popular intensity:?