河北省2014年-2015年流感监测结果分析

发布时间：2018-06-07 20:18

本文选题：流感监测 + 暴发疫情　；参考：《中国卫生检验杂志》2016年14期

【摘要】：目的掌握河北省2014年-2015年流感的流行特征,为今后的流感防治工作提供科学依据。方法对河北省2014年4月-2015年3月流感样病例(influenza-like illness,ILI)报告数据、病原学监测数据及流感暴发疫情报告情况进行分析。结果河北省流感监测哨点医院流感样病例就诊百分比为1.60%,在冬季出现流行高峰,以15岁以下儿童为主,占ILI总数的70.17%。接收咽拭子标本14 381份,经实时荧光定量PCR检测阳性2 294份,阳性率为15.95%。流感流行型别在2014年10月-2015年1月以季节性H3亚型为主,2015年2月以后B型流感取代季节性H3亚型,成为流行的优势亚型。流感ILI暴发疫情报告11起,其中8起发生在中小学校及托幼机构,占总疫情数的72.72%。结论河北省2014年-2015年流感高峰期出现在冬季,以季节性H3N2型和B型流感交替流行为主,应加强学校暴发疫情监测。
[Abstract]:Objective to understand the epidemic characteristics of influenza in Hebei Province from 2014 to 2015, and to provide scientific basis for the prevention and treatment of influenza in the future. Methods from April 2014 to March 2015, the data of influenza-like illnessen (ILI), etiological surveillance and influenza outbreak in Hebei Province were analyzed. Results the percentage of influenza-like cases in sentinel hospitals of Hebei Province was 1.60, and the epidemic peak occurred in winter, mainly among children under 15 years old, accounting for 70.17% of the total number of ILI. 14 381 pharyngeal swabs were collected, and 2 294 positive samples were detected by real-time fluorescence quantitative PCR, the positive rate was 15.95%. From October 2014 to January 2015, seasonal H3 subtype was the main type of influenza epidemic. After February 2015, influenza B subtype replaced seasonal H3 subtype and became the dominant subtype of influenza epidemic. There were 11 reports of influenza ILI outbreaks, 8 of which occurred in primary and secondary schools and kindergartens, accounting for 72.72% of the total outbreaks. Conclusion the peak period of influenza occurred in winter from 2014 to 2015 in Hebei Province, and the seasonal influenza type H3N2 and type B were dominant. The school outbreak surveillance should be strengthened.
【作者单位】：河北省疾病预防控制中心病毒病防治所;
【基金】：河北省省科技厅(13277727D)
【分类号】：R511.7;R440

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