中山市2010-2011年流感监测分析

Analysis of influenza surveillance in Zhongshan City, 2010-2011

目的分析探讨2010-2011年中山市流行性感冒流行特征,为流感的防控提供科学依据。方法收集中山市2010-2011年流感样病例监测资料和流感病原学监测资料,分析流感样病例(influenza-like illness ILI)占门诊病例的百分比的变化规律及检测流感病毒各亚型。结果 (1)该市2010-2011年各年的ILI%高峰出现在春冬季节(10月份至次年2月份);(2)ILI主要集中在<15岁儿童;(3)2010-2011年度共检测ILI标本1579份,阳性179份,阳性率为11.34%;(4)本市流感病毒以AH3型为主。结论该市流感活动有一定的季节性,在我市应继续开展主要针对AH3型病毒流感的预防控制工作,同时继续进行流感监测,及时了解优势毒株的变化。

Objective To analyze the influenza characteristics in Zhongshan from 2010 to 2011. Methods Influenza-like cases data and influenza virus surveillance data was analyzed and the regularity trend of ILI% and the activity discipline of each influenza virus type were also cundueted. Results The peak of ILI% appears from December to January of the each year. Influenza-like cases （ILI） mainly concentrated in children under the age of I 579 ILI specimen and 179 positive were detected, the positive rate was 11.34%. Conclusions There is a seasonal flu activity in Zhongshan. We should continue to carry out mainly against the AH3-type virus influenza prevention and control work, while continuing the machine gun influenza monitoring, timely understanding of the advantages of strain changes.