一起中学生甲型H1N1流感暴发疫情的调查

Investigation of the outbreak of Influenza A(H1N1) in a High school

目的了解平顶山市一起甲型H1N1流感暴发疫情的特点,为控制学校甲型H1N1流感暴发疫情提供依据。方法采用卫生部下发的个案调查表,对该起甲型H1N1流感暴发学校的所有病例进行问卷调查;用描述性流行病学方法对该起疫情的流行病学特征进行描述;用RT-PCR法进行甲型H1N1流感病毒核酸检测。结果此次疫情历时7 d,发病15例,均为甲型H1N1流感病毒核酸阳性。病例全部为学生,其中男性9例,女性6例,男女发病比例为1.5∶1。病例主要集中在三年级,以三(5)、三(6)班最多,罹患率分别为9.23%和10.77%。结论按照联防联控原则,严格落实学校甲型H1N1流感防控的各项措施,是应对学校甲型H1N1流感暴发的有效措施。

Objective To analyze the characteristics of influenza A（H1N1） in high schools,and to supply scientific measures for controlling the influenza A（H1N1） outbreak.Methods Every case was investigated.Descriptive epidemiological method was applied to describe the characteristics of this outbreak.Collect the throat swab samples of the cases,and tested with RT-PCR.Results 15 students were infected,and all of them were laboratory-confirmed cases.There were 9 male and 6 female in all the infected students.Male and female incidence ratio was 1.5∶1.Cases were mainly concentrated in the third grade,3（5）,3（6） classes up to,attack rates were 9.23 % and 10.77 %.Conclusion According to the principle of joint prevention and control,strictly implement school Influenza A（H1N1） prevention and control measures is the most effective measures.