欧盟/欧洲经济区 2022/23 年流感季节甲型 H1N1 pdm09、甲型 H3N2 和乙型/维多利亚型季节性流感病毒的共同流行以及基因的进一步多样化。

IF 9.9 2区 医学 Q1 INFECTIOUS DISEASES Eurosurveillance Pub Date : 2024-09-01 DOI:10.2807/1560-7917.ES.2024.29.39.2400020
Eeva K Broberg, Olov Svartström, Maximilian Riess, Annette Kraus, Maja Vukovikj, Angeliki Melidou
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引用次数: 0

摘要

背景流感病毒会随着时间的推移不断改变其病毒学特性(如基因组成),从而引发大规模季节性流行病,对医疗保健造成严重影响。此外,我们还希望比较流行病毒与季节性流感疫苗所选病毒成分的相似程度,以及流行病毒是否对常用抗病毒药物产生抗药性。方法我们对欧盟/欧洲经济区 30 个国家的国家流感中心(NIC)在 2022 年第 40 周至 2023 年第 39 周期间向欧洲监测系统(TESSy)报告的流感病毒检测结果和特征进行了描述性分析,该系统是全球流感监测和响应系统(GISRS)的一部分。结果在欧盟/欧洲经济区国家,2022/23 年度流感季节的特点是甲型 H1N1 pdm09、甲型 H3N2 和乙型/维多利亚系病毒共同流行。这些病毒的基因进化仍在继续,甲型 H1N1 pdm09 病毒的 6B.1A.5a.2a 支系、甲型 H3N2 病毒的 3C.2a1b.2a.2b 支系和乙型/维多利亚病毒的 V1A.3a.2 支系占主导地位。讨论世界卫生组织(WHO)为北半球 2023/24 季度推荐的疫苗成分反映了欧洲病毒的演变,其中甲型 H1N1 pdm09 成分发生了变化,而甲型 H3N2 和乙型/维多利亚病毒成分保持不变。
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Co-circulation of seasonal influenza A(H1N1)pdm09, A(H3N2) and B/Victoria lineage viruses with further genetic diversification, EU/EEA, 2022/23 influenza season.

BackgroundInfluenza viruses can cause large seasonal epidemics with high healthcare impact and severity as they continually change their virological properties such as genetic makeup over time.AimWe aimed to monitor the characteristics of circulating influenza viruses over the 2022/23 influenza season in the EU/EEA countries. In addition, we wanted to compare how closely the circulating viruses resemble the viral components selected for seasonal influenza vaccines, and whether the circulating viruses had acquired resistance to commonly used antiviral drugs.MethodsWe performed a descriptive analysis of the influenza virus detections and characterisations reported by National Influenza Centres (NIC) from the 30 EU/EEA countries from week 40/2022 to week 39/2023 to The European Surveillance System (TESSy) as part of the Global Influenza Surveillance and Response System (GISRS).ResultsIn the EU/EEA countries, the 2022/23 influenza season was characterised by co-circulation of A(H1N1)pdm09, A(H3N2) and B/Victoria-lineage viruses. The genetic evolution of these viruses continued and clade 6B.1A.5a.2a of A(H1N1)pdm09, 3C.2a1b.2a.2b of A(H3N2) and V1A.3a.2 of B/Victoria viruses dominated. Influenza B/Yamagata-lineage viruses were not reported.DiscussionThe World Health Organization (WHO) vaccine composition recommendation for the northern hemisphere 2023/24 season reflects the European virus evolution, with a change of the A(H1N1)pdm09 component, while keeping the A(H3N2) and B/Victoria-lineage components unchanged.

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来源期刊
Eurosurveillance
Eurosurveillance INFECTIOUS DISEASES-
CiteScore
32.70
自引率
2.10%
发文量
430
审稿时长
3-8 weeks
期刊介绍: Eurosurveillance is a European peer-reviewed journal focusing on the epidemiology, surveillance, prevention, and control of communicable diseases relevant to Europe.It is a weekly online journal, with 50 issues per year published on Thursdays. The journal includes short rapid communications, in-depth research articles, surveillance reports, reviews, and perspective papers. It excels in timely publication of authoritative papers on ongoing outbreaks or other public health events. Under special circumstances when current events need to be urgently communicated to readers for rapid public health action, e-alerts can be released outside of the regular publishing schedule. Additionally, topical compilations and special issues may be provided in PDF format.
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