Received: 1 April 2020
Accepted: 13 March 2021
First Online: 1 April 2021
: Administrative approval for the study was obtained from Ministry of Health and Child Care AIDS and TB programme. Ethics approval was obtained from Medical Research Council of Zimbabwe (MRCZ/E/228), dated 06/12/2018) and The Union Ethics Advisory Group, Paris, France (EAG-56/18, dated 29/09/2018). As the study involved review of secondary programme data, waiver of informed consent was sought and approved by the ethics committees.
: Not applicable.
: The authors declare that they have no competing interests. The contents of this paper do not necessarily reflect the views of the Government or Non-Governmental Organizations or The Union.