Ongoing outbreak of hepatitis A associated with sexual transmission among men who have sex with men, Portugal, October 2023 to April 2024.

doi:1560-7917.ES.2024.29.21.2400272

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Ongoing outbreak of hepatitis A associated with sexual transmission among men who have sex with men, Portugal, October 2023 to April 2024.

Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin - 1 May 2024

Rosendal Ebba, von Schreeb Sebastian, Gomes Alexandre, Lino Sara, Grau-Pujol Berta, Magalhães Sara, Ricoca Peixoto Vasco, Roque Carla, Moreno Joana, Maltez Fernando, Almeida Fernando, Sá Machado Rita, Marinho Rui Tato, Vasconcelos Paula, de Sousa Rita, Vieira Martins João

Abstract excerpt

An outbreak of hepatitis A is ongoing in Portugal, with 71 confirmed cases from 7 October 2023 to 24 April 2024. Most cases are male, aged 18-44 years, with many identifying as men who have sex with men (MSM) and reported as suspected sexual transmission. Phylogenetic analysis identified the subgenotype IA, VRD 521-2016 strain, last observed in an MSM-associated multi-country outbreak in 2016 to 2018. We wish to...

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PMID: 38785087
DOI: 1560-7917.ES.2024.29.21.2400272

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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