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目的分析呼和哈特市2013年4月-2016年3月流感监测结果,为今后的防控工作提供科学依据。方法采集哨点医院流感样病例咽拭子,以实时荧光定量RT-PCR法检测病毒核酸,并对病原学监测数据进行分析。结果2013年4月-2016年3月共检测1 420份,阳性212份,阳性率为14.9%。其中甲型H1N1流感病毒67份,甲型H3型流感病毒97份,乙型流感病毒48份,流感病毒在每年11月-次年4月阳性率较高,并在12月和次年1月达到高峰,5岁~15岁年龄组阳性率最高。结论每年11月-次年4月是呼和浩特市流感高发期,应加强中小学冬季流感监测。
Objective To analyze the results of influenza surveillance from April 2013 to March 2016 in Huhhot, providing a scientific basis for prevention and control work in the future. Methods Throat swab was collected from sentinel hospital for flu-like illness, and the viral nucleic acid was detected by real-time fluorescence quantitative RT-PCR. The etiological monitoring data were analyzed. Results From April 2013 to March 2016, a total of 1 420 samples were detected, 212 were positive and the positive rate was 14.9%. Of which 67 were influenza A (H1N1) virus, 97 were influenza A (H3) and 48 were influenza (B), the positive rate of influenza virus was higher in November-April of each year, and in December and January of the following year Peak, 5-year-old age group 15 the highest positive rate. Conclusion From November to April each year, Hohhot is the high incidence of influenza. Winter and winter flu surveillance in primary and secondary schools should be strengthened.