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目的探讨学校聚集性结核病疫情处置策略,关注迁入的少数民族学生结核病疫情防控。方法对结核病暴发的学校发病班级的学生基本情况、发病情况、学习生活环境等进行调查,描述发病分布,查找传染源并做出相应处置。结果 2012年2月—2013年3月,该校共发现18例结核病例(13例Ⅲ型结核、4例Ⅳ型结核、1例Ⅴ型结核),均为西藏班学生,西藏班结核病的罹患率为11.84%。其中,2010级、2011级两个年级结核病罹患率分别为17.72%、5.48%,差异有统计学意义(χ2=4.34,P<0.05)。密切接触人群中不同PPD试验结果的结核发病情况无统计学差异(χ2=4.69,P>0.05)。结论本次疫情为一起学校结核病疫情,传染源极有可能为首发病例,西藏学生感染结核后易发病。
Objective To explore the strategy of treating tuberculosis outbreaks in schools and pay attention to the prevention and control of tuberculosis among ethnic minority students who moved in. Methods To investigate the basic condition, incidence, learning and living environment of the students who have been infected by tuberculosis and to describe the distribution of the disease, find out the sources of infection and make corresponding disposal. Results From February 2012 to March 2013, a total of 18 cases of tuberculosis (13 cases of type Ⅲ tuberculosis, 4 cases of type Ⅳ tuberculosis and 1 case of type Ⅴ tuberculosis) were found in this school. All of them were from Tibetan class and tuberculosis patients in Tibet The rate was 11.84%. Among them, the prevalence rates of tuberculosis in grade two and grade two in 2010 and 2011 were 17.72% and 5.48%, respectively, with statistical significance (χ2 = 4.34, P <0.05). There was no significant difference in the incidence of tuberculosis between close PPD test groups (χ2 = 4.69, P> 0.05). Conclusion The epidemic situation is a school tuberculosis epidemic, the source of infection is likely to be the first case, Tibetans susceptible to tuberculosis infection.