2023年河南省新报告HIV-1感染者分子传播网络特征Molecular transmission characteristics of newly reported HIV-1 infected cases in Henan Province in 2023
袁源,任亭亭,刘春华,刘家琪,闫江舟,张向兵,薛秀娟,张国龙
摘要(Abstract):
目的 了解河南省新报告HIV-1感染者的分子传播网络特征,为疫情流行趋势和防治提供依据。方法 收集河南省2023年第二季度抽样的8个地市新确证且未经抗病毒治疗HIV-1感染者血样,提取病毒RNA,通过反转录及巢式PCR扩增HIV-1 pol区基因并进行测序,构建分子传播网络。结果 成功得到209份pol基因序列,共发现10种亚型或流行重组型(CRF),主要亚型为CRF 07_BC(45.45%)、CRF 01_AE(23.44%)和B亚型(20.57%)。有41个pol基因序列进入分子网络,入网率为19.62%,形成16个分子传播簇,其中CRF 07_BC构成的分子传播簇最多。单因素logistic回归分析显示,年龄>70岁[与18~<25岁人群相比,OR值(95%CI)为5.45(1.16~25.66)],从事家务劳动或无业[与农民相比,OR值(95%CI)为2.84(1.31~6.13)],与其他地区人群相比,安阳地区居民更有可能进入HIV-1分子传播网络。结论河南省HIV-1流行毒株遗传多样性显著,主要为CRF 07_BC、CRF 01_AE和B亚型。构建长期监测分子传播网络,对于采取针对性干预措施遏制病毒传播至关重要。
关键词(KeyWords): HIV-1;亚型;分子传播网络;传播特征
基金项目(Foundation): 河南省医学科技攻关计划联合共建项目(LHGJ20230641)
作者(Author): 袁源,任亭亭,刘春华,刘家琪,闫江舟,张向兵,薛秀娟,张国龙
DOI: 10.13515/j.cnki.hnjpm.1006-8414.2024.09.001
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