Funding for this research was provided by:
South African Medical Research Council
Received: 13 June 2019
Accepted: 20 May 2020
First Online: 5 June 2020
Ethics approval and consent to participate
: The Health Research Ethics Committee of Stellenbosch University (study no. N13/05/075) gave approval for this study and the ethical guidelines as described in the “Declaration of Helsinki, 2013” were observed [CitationRef removed]. Written informed consent was obtained from all participants in the study. The parents provided written informed consent to participate in the study on behalf of the infant child.
: The parents of the index case have given written informed consent to publish this case report.
: The authors declare that they have no conflict of interest.