论文部分内容阅读
[目的]了解龙岩市2009年流感流行态势,为防制提供依据。[方法]对监测哨点医院及疾控机构送检的2 063人份流感样病例咽拭样本,以MDCK细胞分离培养、RT-PCR、实时荧光PCR等法检测。[结果]检出流感病毒550人份,总阳性率26.7%。其中甲型H1N1阳性率为14.2%,主要集中于10～12月,以7～25岁学生群体为主。季节性流感阳性率12.5%,主要集中于8、9月,以7～40岁为主;流行毒株7～9月以甲型为主,同时存在A1、A3亚型流行,A1亚型流行增幅明显大于A3亚型;10月以后以B型为主。全年7起聚集性流感疫情均发生在学校。[结论]龙岩市2009年以甲型H1N1为优势流行株,同时存在多型别混合流行。应对甲型H1N1流感全面防控,重点防制甲型在乡村以及B型在全市的大流行。学校是流感防控的重点。
[Objective] To understand the epidemic situation of influenza in Longyan City in 2009 and provide basis for prevention and control. [Method] A total of 2 063 influenza-like swallowing swab samples from sentinel hospitals and CDC were detected by MDCK cell culture, RT-PCR and real-time PCR. [Results] The detection rate of influenza virus was 550, the total positive rate was 26.7%. Among them, the positive rate of type A H1N1 was 14.2%, which mainly concentrated in the period of October to December, mainly in the student population of 7-25 years old. Seasonal influenza positive rate of 12.5%, mainly in August and September, mainly in 7 to 40 years of age; influenza strains from July to September A-based, while there is A1, A3 subtype epidemic, subtype A1 epidemic Increase significantly greater than the A3 subtype; after October to B-based. Seven outbreaks of aggregated influenza occurred in schools throughout the year. [Conclusion] The type A H1N1 was the predominant epidemic strain in Longyan City in 2009, while the mixed type epidemic existed. In response to the comprehensive prevention and control of Influenza A (H1N1), we should focus on the prevention of influenza A in the rural areas and type B epidemic in the city. The school is the focus of flu prevention and control.