Funding for this research was provided by:
Westfälische Wilhelms-Universität Münster
Received: 21 June 2022
Accepted: 12 September 2022
First Online: 17 September 2022
: The isolation of human leukocytes as well as the collection of bacterial isolates was performed after signed written informed consent was obtained from all participants in accordance with the relevant guidelines and regulations. This study conforms to the principles outlined in the ‘Declaration of Helsinki’. For this, approval was obtained from the local ethics committees. In Gabon, ethical approval was obtained from the Comité d’Éthique Institutionnel at the Centre de Recherches Médicales de Lambaréné (CEI 004/2013). In Nigeria, ethical approval was obtained from the Health Research Ethic committee at the Institute of Public Health in Ile-Ife (IPHOAU/12/1054). In Germany, ethical approval was obtained from the ethics committee of the Universitätsklinikum Jena (5457–02/18) as well as the Ärztekammer Westfalen-Lippe and Westfälische Wilhelms-Universität in Münster (2015–409-f-S).
: Not applicable.
: The authors declare that they have no competing interests.