Funding for this research was provided by:
Centers for Disease Control and Prevention (1U2GPS001150)
Text and Data Mining valid from 2020-05-11
Received: 21 October 2019
Accepted: 27 April 2020
First Online: 11 May 2020
Ethics approval and consent to participate
: The ZAZI health programme and embedded study were both approved by the University of Witwatersrand, Human Research Ethics Committee (Wits HREC). The study was reviewed in accordance with the Centers for Disease Control and Prevention (CDC) human research protection procedures and was determined to be research, but CDC investigators did not interact with human subjects or have access to identifiable data or specimens for research purposes (CGH 2018–017). All voluntary participants provided written informed consent prior to any study procedures being conducted.
: Not applicable.
: The authors declare that they have no competing interests.