Funding for this research was provided by:
FHI 360 (AID-674-A-14-00009)
Department of Science and Technology, Republic of South Africa (UID: 96354)
Received: 28 January 2020
Accepted: 14 July 2020
First Online: 22 July 2020
Ethics approval and consent to participate
: The protocol, informed consent forms and study related materials were reviewed and approved by the University of KwaZulu-Natal’s Biomedical Research Ethics Committee (Ref: BFC511/16).
: Written consent for publication was obtained from the participant.
: Author HD serves as a member of the editorial board for BMC Infectious diseases. All other authors have no competing interests.