Funding for this research was provided by:
MEDICAL RESEARCH COUNCIL (G0100137)
Received: 14 August 2018
Accepted: 26 April 2019
First Online: 8 May 2019
Ethics approval and consent to participate
: The study was reviewed by the Biomedical Research Ethics Committee (BREC) of the University of KwaZulu-Natal and full ethical approval granted on 16 September 2015 (BE352/15). This study was a retrospective analysis utilizing stored serum samples from women who had participated in the Microbicides Development Programme (MDP) 301 trial conducted between 2005 and 2009. In the parent study, written informed consent was obtained for long term storage and future testing of specimens.
: Not applicable.
: There are no conflicts of interest to report.
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