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Abstract

We report an adenovirus outbreak with unusually severe clinical presentation, particularly in military conscripts and their close contacts. During 1 February–30 June 2024, 129 patients with adenovirus infection were hospitalised, 30 were admitted to ICU, 10 required ECMO treatment and six died. Cases consisted of 75 conscripts (58.1%) and 54 civilians (41.9%). Most samples were type 7 (97/108; 89.8%); all 24 sequenced samples were subtype 7d. During 1 August–30 November 2024, 274 additional hospitalised cases were identified from registries.

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/content/10.2807/1560-7917.ES.2025.30.7.2500061
2025-02-20
2025-02-26
/content/10.2807/1560-7917.ES.2025.30.7.2500061
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Adenovirus type 7d outbreak associated with severe clinical presentation, Finland, February to June 2024
<p class="citation"> <span>Citation style for this article:</span> <span class="meta-value authors"> <a href="/search?value1=Santtu+Heinonen&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Heinonen Santtu</a>, <a href="/search?value1=Elina+Erra&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Erra Elina</a>, <a href="/search?value1=Richard+Lundell&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Lundell Richard</a>, <a href="/search?value1=Aino+Nyqvist&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Nyqvist Aino</a>, <a href="/search?value1=Pilvi+Hepo-oja&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Hepo-oja Pilvi</a>, <a href="/search?value1=Laura+Mannonen&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Mannonen Laura</a>, <a href="/search?value1=Hanna+Jarva&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Jarva Hanna</a>, <a href="/search?value1=Raisa+Loginov&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Loginov Raisa</a>, <a href="/search?value1=Erika+Lindh&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Lindh Erika</a>, <a href="/search?value1=Leif+Lakoma&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Lakoma Leif</a>, <a href="/search?value1=Petri+Kangaspunta&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Kangaspunta Petri</a>, <a href="/search?value1=Ilkka+Laaksi&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Laaksi Ilkka</a>, <a href="/search?value1=Marjaana+Pitk%C3%A4paasi&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Pitkäpaasi Marjaana</a>, <a href="/search?value1=Carita+Savolainen-Kopra&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Savolainen-Kopra Carita</a>, <a href="/search?value1=Simo+Nikkari&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Nikkari Simo</a>, <a href="/search?value1=Hanna+Nohynek&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Nohynek Hanna</a>, <a href="/search?value1=Otto+Helve&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Helve Otto</a>, <a href="/search?value1=Eeva+Ruotsalainen&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Ruotsalainen Eeva</a>, <a href="/search?value1=Niina+Ikonen&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Ikonen Niina</a></span>. Adenovirus type 7d outbreak associated with severe clinical presentation, Finland, February to June 2024. <a href="/content/ecdc">Euro Surveill.</a> 2025;30(7):pii=2500061. <a href="https://doi.org/10.2807/1560-7917.ES.2025.30.7.2500061" title="doi link" target="_blank">https://doi.org/10.2807/1560-7917.ES.2025.30.7.2500061</a> <span class="ES_Article_citation"> <span class="generated">Received</span>: 22 Jan 2025;&nbsp;&nbsp; <span class="generated">Accepted</span>: 20 Feb 2025 </span> </p>
/content/10.2807/1560-7917.ES.2025.30.7.2500061
/content/10.2807/1560-7917.ES.2025.30.7.2500061
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