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Two diphtheria sub-clusters with autochthonous cases in Germany and Poland within a Corynebacterium diphtheriae ST-574 outbreak, 2022 to July 2025.

ABSTRACT: Within a Corynebacterium diphtheriae ST-574 outbreak comprising mostly migration-associated cases since 2022, Germany detected two sub-clusters in 2025. Among sub-cluster cases with travel information (24/26), 22 were acquired autochthonously. One of two imported cases came from a Polish voivodeship having an additional case. Sub-cluster 1 included 16 cutaneous cases, sub-cluster 2 included six cutaneous and five respiratory cases. One unvaccinated child and two older adults died. Of 27 cases, 12 experienced homelessness. Strengthened immunisation, improved wound care and international surveillance are needed.

SUBMITTER: Roewer de Porto IF 

PROVIDER: S-EPMC12372894 | biostudies-literature | 2025 Aug

REPOSITORIES: biostudies-literature

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Two diphtheria sub-clusters with autochthonous cases in Germany and Poland within a <i>Corynebacterium diphtheriae</i> ST-574 outbreak, 2022 to July 2025.

Roewer de Porto Imme Friederike IF   Dangel Alexandra A   Schneider Lena L   Zasada Aleksandra A AA   Haller Jonas J   Abdelgawad Inas I   Siffczyk Claudia C   Paradowska-Stankiewicz Iwona I   Wichmann Ole O   Badenschier Franziska F   Berger Anja A   Rau Cornelius C   Sing Andreas A  

Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin 20250801 33

Within a <i>Corynebacterium diphtheriae</i> ST-574 outbreak comprising mostly migration-associated cases since 2022, Germany detected two sub-clusters in 2025. Among sub-cluster cases with travel information (24/26), 22 were acquired autochthonously. One of two imported cases came from a Polish voivodeship having an additional case. Sub-cluster 1 included 16 cutaneous cases, sub-cluster 2 included six cutaneous and five respiratory cases. One unvaccinated child and two older adults died. Of 27 c  ...[more]

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