Charles, Tanja
Eckardt, Matthias
Karo, Basel
Haas, Walter
Kröger, Stefan
Funding for this research was provided by:
Robert Koch-Institut
Article History
Received: 27 February 2020
Accepted: 18 March 2021
First Online: 6 April 2021
Declarations
:
: Ethical approval was not required for this study, as the analyses were performed on pseudo-anonymized notification data.
: Not applicable.
: The authors declare that they have no competing interests.