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目的分析四川省南充市学校肺结核聚集性疫情发生的特点及影响因素,为制定学校肺结核防控策略提供依据。方法收集、整理南充市2005-2015年发生的5起学校肺结核聚集性疫情资料,对疫情发生的原因及个案信息均进行分析、关联。结果 5起学校肺结核聚集性疫情均发生在高中,共发现73例肺结核患者(均为在校学生),罹患率为0.28%。每起事件的首发病例都存在延误诊断的情况,延误时间最长为5个月。学校教室人口密度大,寝室居住面积狭小,通风状况差。结论及早诊断、报告肺结核患者,及时开展密切接触者筛查和采取有效的防控措施是预防学校肺结核聚集性疫情的重要措施。
Objective To analyze the characteristics and influential factors of tuberculosis epidemic in schools in Nanchong City, Sichuan Province, and to provide evidence for the development of tuberculosis prevention and control strategies in schools. Methods Collecting and collecting data on five cases of tuberculosis epidemic in schools from 2005 to 2015 in Nanchong City. The causes and individual cases of the outbreak were analyzed and correlated. Results All five cases of tuberculosis epidemic occurred in high school. A total of 73 cases of tuberculosis (all students) were found, with an attack rate of 0.28%. The first case of each incident is delayed diagnosis, the longest delay of 5 months. School classroom population density, bedroom living area is small, poor ventilation. Conclusion Early diagnosis and report of tuberculosis patients, promptly carry out screening of close contacts and take effective prevention and control measures are important measures to prevent school-borne tuberculosis epidemic.