Funding for this research was provided by:
Bill and Melinda Gates Foundation
Received: 3 May 2020
Accepted: 2 January 2021
First Online: 12 January 2021
Ethics approval and consent to participate
: This study received ethics approval by the ethical review board at the Republic of South Sudan Ministry of Health in Juba, South Sudan. Verbal informed consent was obtained from all participants in the study.
: Not applicable.
: The authors declare that they have no competing interests. The findings and conclusions in this report are those of the author(s) and do not necessarily represent the official position of the organisations, including Centers for Disease Control and Prevention.