论文部分内容阅读
目的调查江门市首起少数民族学生暴发的一起B型流感,分析其流行特征。方法对流感个案调查表进行统计分析,用逆转录-聚合酶链反应(RT-PCR)检测患者咽拭子标本中的流感病毒核酸。结果本起B型流感暴发共报告病例25例,罹患率为14.88%。采集8份现症病人咽拭子,B型流感病毒核酸检测全部阳性。整个疫情流行过程为10日,男女发病比例为0.56∶1,发病年龄介于18~19岁,临床症状以发热、咳嗽、咽痛为主,男女发病差异无统计学意义,具有明显的班级聚集性。结论此次为一起由B型流感病毒引起的流感暴发疫情,流行季节应做好流感的监测工作。
Objective To investigate the first outbreak of influenza B among ethnic minority students in Jiangmen City and analyze its epidemiological characteristics. Methods Influenza case questionnaires were statistically analyzed, and the influenza virus nucleic acids in throat swab samples were detected by reverse transcription polymerase chain reaction (RT-PCR). Results A total of 25 cases of type B influenza outbreaks were reported, with an attack rate of 14.88%. Thirteen patients were collected throat swabs, influenza B virus nucleic acid test all positive. The epidemic epidemic process was 10 days, the incidence of male-female ratio of 0.56: 1, the age of onset was 18 to 19 years old, clinical symptoms of fever, cough, sore throat, no significant difference between men and women, with significant class aggregation Sex. Conclusion This is a flu outbreak caused by influenza B virus, and influenza surveillance should be done during the epidemic season.