Received: 8 January 2019
Accepted: 17 July 2019
First Online: 27 August 2019
Ethics approval and consent to participate
: This study was approved by Lancet Clinical laboratory management and the Health Studies Office in the Ministry of Health Institutional Review Board. The board waived the need for informed consent due to the retrospective nature of the study, however we did not use patients’ information in this study as it was anonymised by use of patient account numbers. Data was kept safe and confidential and only used for this study. Administrative permission to access data was requested through the laboratory manager of Lancet Clinical laboratories Zimbabwe and granted by the Consultant Microbiologist and Information Systems Consultant at Lancet South Africa.
: Not Applicable
: The authors declare that they have no competing interests.