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目的探索四川省宜宾市流感流行情况及其变动趋势,为科学制订防控措施提供依据。方法收集宜宾市2009-2013年流感发病情况,哨点医院流感样病例(ILI病例)病毒核酸实验室监测等数据进行统计分析。按照《甲型H1 N1流感监测方案(第二版)》的要求,对发热(体温≥38℃),伴咳嗽或咽痛者作为监测病例,采集咽试子进行病毒核酸检测。采样对象为发病3 d内且没有服用过抗病毒药物的流感样病例咽试子。结果宜宾市近5年共报告流感331例,年均发病率1.37/10万,流感样病例病毒核酸监测1 547例,阳性145例,阳性率9.3%,其中检出甲型流感76例、乙型流感69例。结论宜宾市流感发病率较低,流感样病例病毒核酸检测阳性率低。
Objective To explore the prevalence and trend of influenza in Yibin City, Sichuan Province, and provide a basis for scientific prevention and control measures. Methods The incidence of influenza in Yibin from 2009 to 2013 and influenza virus-like illness in sentinel hospital (ILI cases) were collected for statistical analysis. According to the requirements of the H1N1 influenza surveillance program (second edition), the virus nucleic acid was detected by detecting the fever (body temperature ≥38 ℃), with cough or sore throat as the monitoring case. Samples were taken within 3 days of the disease and have not taken any flu-like flu cases of pharyngeal samples. Results A total of 331 cases of influenza were reported in Yibin in the recent 5 years with an annual average incidence of 1.37 / lakh. In the influenza-like cases, 1 547 cases of viral nucleic acid were detected and 145 were positive, with a positive rate of 9.3%. Among them, 76 cases were influenza A Type 69 influenza. Conclusion The incidence of influenza in Yibin City is low, and the positive rate of nucleic acid detection in influenza-like cases is low.