2016—2017年连云港市流感监测分析

目的 监测连云港市2016—2017年流感病例,为制定流感防治策略提供科学依据。方法 每周从哨点医院采集流感样病例(ILI)咽拭子标本,通过实时荧光定量PCR方法进行流感病毒亚型鉴定,并对连云港市2016—2017年流感病例监测结果进行分析。结果 2016—2017年共检测流感样病例咽拭子2 556例,检出流感病毒阳性451例,阳性率为17.64%。其中新甲型H1N1 26份,季节性H3 144份,B(Victoria)107份,B(Yamagata)172份,H7共2份。2016—2017年各周ILI%、男女ILI的病毒核酸检出阳性率差异均无统计学意义(P>0.05)。结论 2016—2017年连云港市秋冬季交替时出现2个流感流行高峰,应进一步加强对流感的监测。

Analysis of monitoring of influenza in Lianyungang City from 2016 to 2017

Objective To explore the epidemic characteristics of influenza in Lianyungang City, so as to provide the evidence for formulating the strategy of prevention and control of influenza. Methods The nasopharyngeal swab samples from influenza-like illness (ILI) cases were detected by the real-time fluorescent quantitative PCR method. The data of epidemiology and pathogen of ILI in Lianyungang City from 2016 to 2017 were collected and analyzed. Results Form 2016 to 2017, 2 556 nasopharyngeal swab samples were detected, 451 (17.64%) were positive for influenza virus, and 26 were swine-origin influenza A (H1N1) virus, 144 were positive for H3subset influenza A virus, 107 were B (Victoria), 172 were positive for influenza B (Yamagata) virus, and 2 for H7. No statistical difference was found in positive rates between males and females. Conclusion From 2016 to 2017, two peaks of influenza virus positive in outpatients are in autumn and winter. We should pay more attention to the monitoring of influenza.