Received: 17 January 2020
Accepted: 6 September 2020
First Online: 11 September 2020
Ethics approval and consent to participate
: The research ethics committee of the Pasteur Institute of Côte d’Ivoire has given its approval for the realization of this study. A verbal consent was obtained from participants since the study did not involve confidential data or intervention.
: Not applicable.
: The authors declare that they have no competing interests.