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自1979年11月许昌县发生一例白喉病人至1985年许昌地区已连续五年未有白喉病例。1985年10月我区许昌市首发一例白喉病人,继之相邻的许昌县、襄县也有病例发生、共计发生6例白喉病人。我们对这次间隔五年又发生白喉疫情进行了调查,现报告如下:
A case of diphtheria occurred in Xuchang County in November 1979 and no diphtheria cases have been reported in Xuchang for five consecutive years since 1985. October 1985 Xuchang City, our first episode of diphtheria patients, followed by adjacent Xuchang County, Xiang County, there are also cases, a total of 6 cases of diphtheria patients. We have conducted a survey on the outbreak of diphtheria five years apart. We report the following: