Funding for this research was provided by:
Deutsches Zentrum für Infektionsforschung
Leibniz Science Campus Evolutionary Medicine
German Research Foundation (EXC 2167, EXC 2167)
Forschungszentrum Borstel - Leibniz Lungenzentrum
Received: 14 June 2021
Accepted: 17 August 2021
First Online: 31 August 2021
: The study was approved by the National Ethics Committee of Cameroon. We confirm that all methods were carried out in accordance with relevant guidelines and regulations.
: Not applicable.
: The authors declare no competing interest.