Funding for this research was provided by:
Bundesministerium für Gesundheit (1368-1853)
Received: 8 March 2022
Accepted: 10 June 2022
First Online: 27 June 2022
: The ethics committee of the Charité – Universitätsmedizin Berlin provided ethical approval for the entire study (EA2/148/20). The Comité National d’Ethique pour la Recherche en Santé (105/CNERS/20) in Guinea, the National Health Research Ethics Committee of Nigeria (NHREC/01/01/2007–19/08/2020), and the National University of Singapore Institutional Review Board (NUS-IRB-2020-434) provided ethical approvals for the partner countries. The Robert Koch Institute’s data protection department approved data protection protocols that were co-signed by all project partners.All respondents were given an information sheet and were asked to sign and date a consent form. Consent was also obtained for audio-recording. All interview materials were stored securely to assure confidentiality. Respondents were able to ask questions and express their concerns. Confidentiality was ensured by giving each participant the option of not being quoted, even anonymously, in the study and subsequent publications; and quoting participants without reference to their age, sex, professional status and role. Participants were given the option to refuse to answer any questions and/or withdraw from the study at any time.
: Not applicable.
: The authors declare that they have no competing interests.