Funding for this research was provided by:
National Health Laboratory Service
Poliomyelitis Research Foundation
Harry Crossley Foundation
Received: 6 July 2020
Accepted: 17 December 2020
First Online: 24 December 2020
Ethics approval and consent to participate
: Ethics approval was received from the Health Research Ethics Committees of Stellenbosch University (N10/04/115) and the University of Witwatersrand (020109), and the Biomedical Research Ethics Committee of the University of Kwazulu-Natal (T118/05). Mothers included in the original P1041 study also provided informed written consent, prior inclusion, for testing of other infections that affect people with HIV (including hepatitis viruses). Written informed consent was obtained from parents or legal guardians for babies and children included in the study.
: Not applicable.
: The authors declare that they have no financial or personal interest(s) which may have inappropriately influenced them during the conduct of this research study and in writing this article.