何思然;汤晶晶;樊帆;李凯;丁峥嵘;

• 1:昆明医科大学
• 2:云南省疾病预防控制中心云南省肠道病毒研究中心

摘要(Abstract)：

目的分析云南省2011-2017年急性弛缓性麻痹(Acute flaccid paralysis, AFP)病例残留麻痹的流行病学特征和脊髓灰质炎病毒(Poliovirus,PV)分离株的基因特征。方法通过AFP病例监测信息报告管理系统收集2011-2017年残留麻痹AFP病例数据进行描述性分析;选择5例病例的Ⅲ型PV分离株进行全基因组序列测定,进行变异和重组分析。结果云南省2011-2017年共报告AFP病例1 722例,其中残留麻痹病例269例(15.64%)。Logistic回归分析显示,四肢麻痹、麻痹程度严重、PV疫苗株分离阳性是AFP病例发生残留麻痹的危险因素。在5例Ⅲ型PV分离株中,4株在nt472的回复突变与Ⅲ型PV野病毒序列完全一致;4株在其生活周期内均发生了1次以上重组。结论云南省2011-2017年AFP病例的残留麻痹率不高,且Ⅲ型PV分离株的回复突变和重组较为常见。应加强对严重AFP病例的及时治疗与管理,以及病例流行病学特征与分子病毒学特征的关联分析。

关键词(KeyWords)： 急性弛缓性麻痹;残留麻痹;流行病学;脊髓灰质炎病毒;基因特征

Abstract:

Keywords:

基金项目(Foundation):

作者(Authors): 何思然;汤晶晶;樊帆;李凯;丁峥嵘;

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