一起结核病暴发的流行病学调查

Epidemiological Investigation into an Outbreak of Tuberculosis

目的总结一起结核病暴发流行的特点。方法以先兆病历为线索,以胸透和结核菌素试验为调查方法,对所在分队进行调查(流行组),并与其他分队作对照(对照组)。结果流行组:发病率11.1%,PPD阳性率55.6%;对照组:发病率为0,PPD阳性率26.0%。结论未及时诊治的痰菌阳性病人和结核菌素阳性的异常增高是结核病暴发流行的先兆,群体生活是结核病暴发流行的条件。

Objective To sum up A military unit, as epidemiological the epidemiological characteristics of an group, was investigated on tuberculosis outbreak of tuberculosis. Methods by means of premonitory medical record, chest X-ray examination and tuberculin （ purified protein derivative, PPD） test, and compared with another military unit serving as control group. Results The incidence and PPD positive rate were respectively 11.1% and 55.6% in the epidemiological group, while the counterparts were 0 and 26.0% in the control group. Conclusion The aurae of tuberculosis outbreak consist of the patients with tubercle bacillus - positive sputa who don t see a doctor, and the abnormally high positive rate of PPD test. Collectivized life acts as the condition undet which tuberculosis outbreaks.