An interseasonal outbreak of influenza A(H1N1)pdm09 related to a music festival, Denmark, August 2025.

IF 7.8 2区医学 Q1 INFECTIOUS DISEASES

Eurosurveillance Pub Date : 2025-09-01 DOI:10.2807/1560-7917.ES.2025.30.36.2500658

Amanda Bolt Botnen, Hanne-Dorthe Emborg, Casper Thorup, Jesper Krog, Sofia Myrup Otero, Stine Nielsen, Bolette Søborg, Ramona Trebbien

引用次数: 0

Abstract

In week 33, 2025, the integrated respiratory virus surveillance at Statens Serum Institut, Denmark, detected an atypical sixfold increase in influenza A(H1N1)pdm09 cases. Rapid sequencing of viruses collected in week 33 identified a highly related cluster of 17 cases. Telephone interviews with patients belonging to this cluster revealed that they all had attended a large open-air music festival. This is the first time an influenza outbreak has been detected during the summer in Denmark related to a large gathering.

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甲型H1N1流感pdm09季节性爆发与音乐节有关，丹麦，2025年8月。

在2025年第33周，丹麦Statens血清研究所的综合呼吸道病毒监测发现甲型H1N1流感pdm09病例非典型地增加了6倍。对第33周收集的病毒进行快速测序，确定了17例高度相关的聚集性病例。通过电话采访这些病人，我们发现他们都参加过一个大型露天音乐节。这是丹麦首次在夏季发现与大型聚会有关的流感疫情。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

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.