2015-2016监测年度贵州省流感病原学特征分析

发布时间：2019-06-26 21:57

【摘要】：目的了解2015-2016监测年度贵州省流感流行趋势和病原特征,为贵州省流感的预防与控制工作提供依据。方法采用描述性方法对贵州省2015年4月1日-2016年3月31日13家哨点医院采集的流感样病例(简称ILI)鼻咽拭子标本的流感病毒RT-PCR核酸检测结果进行统计分析。结果 2015年4月-2016年3月,贵州省监测ILI病例111 175例,占6.82%,检测标本13 867份,阳性2 204份,阳性率为15.89%;贵州省全年均有流感流行,夏季出现小高峰,冬春季达到流行高峰;检出的流感型别有4种,夏季以季H3为主,冬春季节分别以B型Yamagata系(简称BY)和B型Victoria系(简称BV)为主,春季新甲H1有上升趋势;5个年龄组中,0岁~年龄组所占阳性比率最高,为40.20%,其次是5岁~和25岁~年龄组,分别为25.41%和19.28%;检出阳性标本中男性所占比例为54.63%,比女性高9.26%。结论2015-2016监测年度贵州省流感流行形式严峻,ILI%比例和阳性率较高;流感流行主要在冬春季,夏季伴有小高峰,流行型别多样,主要以季H3、BY系和BV系交替流行为主;15岁以下年龄组为主要的易感人群;男性可能比女性更易感染流感病毒。
[Abstract]:Objective to understand the epidemic trend and pathogen characteristics of influenza in Guizhou Province in 2015 / 2016, and to provide evidence for influenza prevention and control in Guizhou Province. Methods the results of influenza virus RT-PCR nucleic acid in nasopharyngeal swabs collected from 13 sentinel hospitals in Guizhou Province from April 1, 2015 to March 31, 2016 were statistically analyzed by descriptive method. Results from April 2015 to March 2016, there were 111175 ILI cases (6.82%) in Guizhou Province, 13 867 samples were positive, the positive rate was 15.89%, the influenza epidemic occurred in Guizhou Province in the whole year, there was a small peak in summer, and reached the epidemic peak in winter and spring. Among the five age groups, the positive rate of 0-year-old group was the highest (40.20%), followed by 5-year-old and 25-year-old age group (25.41% and 19.28%, respectively), and the positive rate of 0-year-old group was the highest (40.20%), followed by 5-year-old and 25-year-old group (25.41% and 19.28%, respectively), and the positive rate of 0-year-old group was the highest (40.20%), followed by 5-year-old and 25-year-old group (25.41% and 19.28%, respectively). The proportion of male was 54.63%, which was 9.26% higher than that of female. Conclusion the epidemic form of influenza in Guizhou Province is severe in 2015 / 2016, and the proportion and positive rate of ILI% are high. Influenza epidemic is mainly in winter and spring, with a small peak in summer, with a variety of epidemic types, mainly seasonal H _ 3B and BV. The main susceptible population is under 15 years old. Men may be more likely to be infected with influenza virus than women.
【作者单位】：贵州省疾病预防控制中心传染病防治研究所检验科;
【基金】：贵州省高层次创新型人才培养项目(黔科合人才(2016)4021号)
【分类号】：R511.7;R181.3

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