河南省許昌市2009-2012年流感監(jiān)測結(jié)果分析
發(fā)布時間：2018-08-26 12:57
【摘要】：目的了解2009-2012年許昌市流感流行特征,為制訂流感防控方案提供依據(jù),及時預警流感變異株。方法按照國家流感監(jiān)測方案要求,收集監(jiān)測哨點流感樣病例(ILI)相關診室報告情況并對部分病例采樣,開展病原學監(jiān)測,核酸監(jiān)測方法進行流感病毒亞型鑒定。結(jié)果 2009-2012年監(jiān)測哨點相關門診ILI數(shù)占門診就診人數(shù)百分比平均為4.70%。近兩年ILI%分布曲線呈現(xiàn)"剪刀樣交叉"。共采檢測ILI標本1 547份,PCR陽性419份,陽性率27.08%,以甲型H1N1亞型為主。5歲以下兒童ILI就診數(shù)構成比高于其他年齡人群。結(jié)論近兩年流感季節(jié)性高發(fā)趨勢不明顯,發(fā)病以5歲以下兒童為主,病原學監(jiān)測結(jié)果提示甲型H1N1亞型已不具備優(yōu)勢,要警惕流感病毒變異株的出現(xiàn)。
[Abstract]:Objective to understand the epidemic characteristics of influenza in Xuchang city from 2009 to 2012, to provide evidence for influenza prevention and control, and to warn influenza variant strains in time. Methods according to the requirements of the National Influenza Surveillance Program, the (ILI) reports of influenza cases at sentinel point were collected, some cases were sampled, the pathogens were monitored and the influenza virus subtypes were identified by nucleic acid monitoring method. Results the average percentage of ILI in outpatient clinics was 4.70 in 2009-2012. In the last two years, the ILI% distribution curve presented "scissors like crossover". A total of 1 547 ILI specimens were collected and detected, and the positive rate was 27.08. The proportion of ILI visits in children under 5 years of age was higher than that in other age groups. Conclusion the seasonal high incidence of influenza is not obvious in the last two years, and the incidence of influenza is mainly in children under 5 years old. The results of etiological surveillance indicate that the subtype A H1N1 is no longer superior, so we should be on guard against the emergence of variant strains of influenza virus.
【作者單位】： 許昌市疾病預防控制中心;
【分類號】：R181.3;R511.7
[Abstract]:Objective to understand the epidemic characteristics of influenza in Xuchang city from 2009 to 2012, to provide evidence for influenza prevention and control, and to warn influenza variant strains in time. Methods according to the requirements of the National Influenza Surveillance Program, the (ILI) reports of influenza cases at sentinel point were collected, some cases were sampled, the pathogens were monitored and the influenza virus subtypes were identified by nucleic acid monitoring method. Results the average percentage of ILI in outpatient clinics was 4.70 in 2009-2012. In the last two years, the ILI% distribution curve presented "scissors like crossover". A total of 1 547 ILI specimens were collected and detected, and the positive rate was 27.08. The proportion of ILI visits in children under 5 years of age was higher than that in other age groups. Conclusion the seasonal high incidence of influenza is not obvious in the last two years, and the incidence of influenza is mainly in children under 5 years old. The results of etiological surveillance indicate that the subtype A H1N1 is no longer superior, so we should be on guard against the emergence of variant strains of influenza virus.
【作者單位】： 許昌市疾病預防控制中心;
【分類號】：R181.3;R511.7
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