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1986年1月本市某校发生伤寒暴发流行。全校学生814人,发病23人,患病率为2.83％。检出带菌者1人。从调查分析,本次暴发是由于对早期轻型病人和带菌者未及时发现、确诊和隔离;食堂饮食卫生管理不善,病原携带者污染食物并与健康人接触造成流行。23例病人均发生在25天以内,78.5％的病人发病于10～14天平均潜伏期内,有的病人之间有明显接触史。根据这些情况,确定本次流行为一起食物型和日常生活接触型暴发流行。经采取隔离、收治传染源,加强饮食卫生管理,大搞环境卫生和开展卫生宣传以及发病班全部学生粪检等综合措施,一周后发病终止。
January 1986 typhus outbreak occurred in a school in this city. The school students 814 people, 23 people were diagnosed, the prevalence was 2.83%. 1 carrier detected. From the survey and analysis, the outbreak was caused by the failure to detect, isolate and diagnose early patients with light-type disease and carriers in a timely manner. Poor management of canteens’ diet and hygiene, pathogenic carriers of contaminated food and contact with healthy people caused the epidemic. 23 patients occurred within 25 days, 78.5% of patients in the average incubation period of 10 to 14 days, and some patients had a significant history of exposure. According to these circumstances, to determine the prevalence of food-like and daily contact with outbreaks. A week later, the disease was terminated after comprehensive measures such as isolation, treatment of infectious origin, strengthening of diet hygiene management, vigilance of environmental hygiene and promotion of public health,