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Abstract

Genomic analysis was performed on isolates from four cases of invasive meningococcal disease (IMD) identified in Italy after travel to Saudi Arabia in 2025. The cases were not epidemiologically related. The isolates from the cases were whole genome sequenced and belonged to serogroup W, sequence type (ST)-11, clonal complex (CC)11 and were susceptible to ceftriaxone, ciprofloxacin, penicillin G and rifampicin. Phylogenetic analysis grouped the four genomes with the Hajj strain sublineage.

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/content/10.2807/1560-7917.ES.2025.30.31.2500483
2025-08-07
2025-08-08
/content/10.2807/1560-7917.ES.2025.30.31.2500483
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Genomic analysis of Neisseria meningitidis serogroup W causing invasive meningococcal disease in four travellers from Saudi Arabia, Italy, 2025
<p class="citation"> <span>Citation style for this article:</span> <span class="meta-value authors"> <a href="/search?value1=Arianna+Neri&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Neri Arianna</a>, <a href="/search?value1=Elsa+Taviani&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Taviani Elsa</a>, <a href="/search?value1=Federica+Ferraro&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Ferraro Federica</a>, <a href="/search?value1=Francesco+Maraglino&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Maraglino Francesco</a>, <a href="/search?value1=Manuela+Marra&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Marra Manuela</a>, <a href="/search?value1=Laura+Daprai&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Daprai Laura</a>, <a href="/search?value1=Caterina+Vocale&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Vocale Caterina</a>, <a href="/search?value1=Elisa+Vian&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Vian Elisa</a>, <a href="/search?value1=Anna+Teresa+Palamara&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Palamara Anna Teresa</a>, <a href="/search?value1=Paola+Stefanelli&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Stefanelli Paola</a></span>. Genomic analysis of Neisseria meningitidis serogroup W causing invasive meningococcal disease in four travellers from Saudi Arabia, Italy, 2025. <a href="/content/ecdc">Euro Surveill.</a> 2025;30(31):pii=2500483. <a href="https://doi.org/10.2807/1560-7917.ES.2025.30.31.2500483" title="doi link" target="_blank">https://doi.org/10.2807/1560-7917.ES.2025.30.31.2500483</a> <span class="ES_Article_citation"> <span class="generated">Received</span>: 09 Jul 2025;&nbsp;&nbsp; <span class="generated">Accepted</span>: 07 Aug 2025 </span> </p>
/content/10.2807/1560-7917.ES.2025.30.31.2500483
/content/10.2807/1560-7917.ES.2025.30.31.2500483
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