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目的探讨某院校学员队一起肺结核病聚集流行的影响因素,为控制肺结核病疫情提供科学依据。方法对该院校发病学员队进行流行病学调查、X线检查、结核菌素试验,X线检查异常者进行痰结核分枝杆菌检查,确诊结核患者,追踪传染源。结果 2011年10月初~2011年12月15日2个月多内,该院校某学员队80名学员中,共确诊肺结核病例9例,罹患率为11.25%。80例密切接触者中PPD检测,阳性人数62人,阳性率为77.50%;强阳性人数14人,强阳性率17.50%,高于对照的未发病学员队(P<0.01)。结论首发病例的误诊与延误诊断,密切接触者预防措施不及时是本次肺结核聚集流行的源头。加强基层部队与卫生防疫部门之间的协作,采取综合性的肺结核病防控措施,预防肺结核病的聚集流行。
Objective To explore the influencing factors of tuberculosis epidemics among trainees in a college and to provide a scientific basis for controlling the epidemic situation of pulmonary tuberculosis. Methods To carry out epidemiological investigation, X-ray examination, tuberculin test and X-ray examination on the students’ disease in this institution for sputum, Mycobacterium tuberculosis, diagnosis of TB patients and follow-up of infection sources. Results From early October 2011 to December 15, 2011, more than 2 months, a group of 80 trainees in a college student team had a total of 9 cases of tuberculosis confirmed, with an attack rate of 11.25%. The positive rate was 77.50% in the 80 cases of close contacts, and the positive rate was 77.50%. The number of strong positives was 14, and the strong positive rate was 17.50%, higher than that of the control group (P <0.01). Conclusions Misdiagnosis and delayed diagnosis of the first case and prevention of close contact are not the source of the epidemic of tuberculosis. Strengthen the coordination between the grassroots units and the health and epidemic prevention departments and take comprehensive prevention and control measures for tuberculosis to prevent the epidemic of tuberculosis.