From multiple measles genotype D8 introductions in 2024 to sustained B3 local transmission in and around Milan, northern Italy, January to April 2025.

IF 9.9 2区医学 Q1 INFECTIOUS DISEASES

Eurosurveillance Pub Date : 2025-05-01 DOI:10.2807/1560-7917.ES.2025.30.20.2500315

Clara Fappani, Maria Gori, Silvia Bianchi, Lucia Tieghi, Daniela Colzani, Sabrina Senatore, Marino Faccini, Priscilla Pasutto, Luca Imeri, Luigi Vezzosi, Gabriele Del Castillo, Simone Villa, Danilo Cereda, Silvia Gioacchini, Paola Bucci, Raoul Fioravanti, Emilio D'Ugo, Melissa Baggieri, Fabio Magurano, Antonella Amendola

引用次数: 0

Abstract

An outbreak of measles virus genotype B3 is ongoing in Milan and surrounding areas since February 2025, with 27 cases identified in 32 laboratory-confirmed measles cases. Most cases were locally acquired and young adults. Phylogenetic analysis indicated the presence of a unique lineage closely related to strains circulating in Morocco. The lack of epidemiological links between several affected individuals suggests case numbers are being underestimated. The continuous transmission raises concerns about the potential re-establishment of endemic circulation in northern Italy.

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从2024年多次引入麻疹D8基因型到2025年1月至4月意大利北部米兰及其周边地区持续的B3本地传播。

自2025年2月以来，米兰及周边地区正在暴发麻疹病毒B3基因型疫情，在32例实验室确诊的麻疹病例中发现了27例。大多数病例是当地获得的和年轻的成年人。系统发育分析表明存在与摩洛哥流行的菌株密切相关的独特谱系。几个受影响个体之间缺乏流行病学联系表明病例数被低估了。持续传播引起人们对意大利北部可能重新建立地方性传播的担忧。

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.