Berger, Anja
Zasada, Aleksandra A.
Dangel, Alexandra
Piekarska, Katarzyna
Paradowska-Stankiewicz, Iwona
Bengs, Katja
Noll, Christine
Sing, Andreas
Article History
Received: 13 January 2025
Accepted: 22 March 2025
First Online: 2 April 2025
Declarations
:
: Ethical approval was not necessary for this study as it was performed as part of routine surveillance activities, outbreak investigation and diphtheria diagnostics in Germany and Poland.
: Not applicable.
: Not applicable.
: The authors declare no competing interests.