Elsinga, Jelte
van Meijeren, Dimphey
Reubsaet, Frans
Article History
Received: 6 March 2023
Accepted: 8 June 2023
First Online: 21 June 2023
Declarations
:
: No medical ethical approval and informed consent to participate was needed for this study, since the study was performed by using data routinely obtained by the Dutch national diphtheria surveillance program. This data can be used for research purposes. Furthermore, people were not imposed to specific deed.
: Not applicable.
: The authors declare no competing interests.