【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(shí)預(yù)警流感變異株。方法按照國(guó)家流感監(jiān)測(cè)方案要求,收集監(jiān)測(cè)哨點(diǎn)流感樣病例(ILI)相關(guān)診室報(bào)告情況并對(duì)部分病例采樣,開(kāi)展病原學(xué)監(jiān)測(cè),核酸監(jiān)測(cè)方法進(jìn)行流感病毒亞型鑒定。結(jié)果 2009-2012年監(jiān)測(cè)哨點(diǎn)相關(guān)門(mén)診ILI數(shù)占門(mén)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(cè)ILI標(biāo)本1 547份,PCR陽(yáng)性419份,陽(yáng)性率27.08%,以甲型H1N1亞型為主。5歲以下兒童ILI就診數(shù)構(gòu)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(shì)不明顯,發(fā)病以5歲以下兒童為主,病原學(xué)監(jiān)測(cè)結(jié)果提示甲型H1N1亞型已不具備優(yōu)勢(shì),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(yù)防控制中心;
【分類(lèi)號(hào)】：R181.3;R511.7

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