论文部分内容阅读
目的分析奉贤区2011年-2013年流感监测结果,了解流感病毒的流行趋势。方法对奉贤区国家级流感监测哨点医院送检的流感样患者鼻咽拭子标本,采用real-time PCR方法进行检测。结果 2011年-2013年共检测标本1 924份,检出流感病毒核酸阳性294份,总阳性率为15.28%。2011年流行期,B型流感病毒与甲型H1N1病毒同时流行,2012年流行期B型流感病毒与H3N2流感病毒同时流行,2013年流行期H3N2流感病毒与甲型H1N1流感病毒同时流行。结论 2011年-2013年奉贤区流感流行以冬春季高发,呈B型、甲型H1N1和H3N2交替流行趋势。
Objective To analyze the results of influenza surveillance in Fengxian District from 2011 to 2013 to understand the epidemic trend of influenza virus. Methods Nasopharyngeal swab samples of influenza-like patients in the Fengxian National Influenza Surveillance Sentinel Hospital were tested by real-time PCR. Results A total of 1 924 samples were detected in 2011-2013. A total of 294 influenza virus nucleic acid positive samples were detected, with a total positive rate of 15.28%. During the epidemic period of 2011, Influenza B virus and Influenza A H1N1 virus were simultaneously prevalent. Influenza virus type B and H3N2 were prevailing in 2012 and epidemic H3N2 and H1N1 viruses prevailed in 2013. Conclusion From 2011 to 2013, the epidemic of influenza in Fengxian district was highly epidemic in winter and spring, showing an epidemic trend of type B, H1N1 and H3N2.