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一名感染甲型H3N2流感病毒的免疫功能低下儿童,在接受奥司他韦治疗时,出现R292K突变的情况下又出现了G186D突变。

Emergence of G186D mutation in the presence of R292K mutation in an immunocompromised child infected with influenza A/H3N2 virus, treated with oseltamivir.

作者信息

Lee Hong Kai, Tang Julian Wei-Tze, Loh Tze Ping, Kong Debra Han-Lin, Lau Yew-Weng, Yap Hui Kim, Koay Evelyn Siew-Chuan

机构信息

Department of Pathology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore.

出版信息

J Clin Microbiol. 2014 May;52(5):1749-50. doi: 10.1128/JCM.00538-14. Epub 2014 Mar 5.

DOI:10.1128/JCM.00538-14
PMID:24599981
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3993657/
Abstract

An immunocompromised child with influenza A/H3N2 virus infection, treated with oseltamivir from day 1, had nasal swabs taken on days 1, 4, 7, and 10 of the illness. Pyrosequencing showed increasing proportions of viruses with R292K (neuraminidase gene) and G186D (hemagglutinin gene) mutations, resulting in a viral load rebound by day 10.

摘要

一名感染甲型H3N2流感病毒的免疫功能低下儿童,从发病第1天开始接受奥司他韦治疗,在发病第1、4、7和10天采集了鼻拭子。焦磷酸测序显示,具有R292K(神经氨酸酶基因)和G186D(血凝素基因)突变的病毒比例不断增加,导致到第10天时病毒载量反弹。

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