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目的分析随州市流感的流行趋势,为随州市的流感防控工作提供科学依据。方法对随州市2010-2013年度流感监测哨点医院流感样病例、病原学监测结果进行描述性分析。结果 2010-2013年共检测ILI咽拭子标本2 138例,其中流感病毒核酸阳性375例,总阳性率为17.86%。其中,B型占36.53%,新甲H1型占19.73%,季H3型占42.67%。流感哨点医院病原学监测结果呈现多种流感病毒交替或混合流行的特点,有明显的季节性分布特点。结论随州市2010-2013年每年引发流感的病毒优势株不同,且一年中不同季节引发流感的病毒优势株也不同,15岁以下年龄组为流感防控重点。
Objective To analyze the prevalence of influenza in Suizhou and provide a scientific basis for prevention and control of influenza in Suizhou. Methods Descriptive analysis was conducted on influenza-like illness and pathogen surveillance results in the 2010-2013 sentinel surveillance hospital in Suizhou City. Results A total of 2138 cases of ILI throat swabs were detected in 2010-2013, of which 375 were positive for influenza virus nucleic acid with a total positive rate of 17.86%. Among them, B accounted for 36.53%, the new H1N1 accounted for 19.73%, quarter H3 accounted for 42.67%. Influenza sentinel hospital etiology monitoring results showed a variety of influenza virus alternating or mixed epidemic characteristics, there are obvious seasonal distribution characteristics. Conclusions Suizhou flu virus predominant strains are different each year from 2010 to 2013, and flu dominant strains are also different in different seasons in one year. The age group under 15 years old is the focus of influenza prevention and control.