Funding for this research was provided by:
National Research Foundation South Africa (64815)
Poliomyelitis Research Foundation South Africa (15/32)
Text and Data Mining valid from 2019-05-14
Received: 25 March 2019
Accepted: 25 April 2019
First Online: 14 May 2019
Ethics approval and consent to participate
: Ethical approval for the main study (from which the ten novel types were discovered) was granted by the Health Research Ethics Committee of the University of Cape Town, Faculty of Health Sciences (HREC reference: 231/2015 and 258/2006). Written consent was obtained from all the study participants. No extra permissions to do the analysis in this paper were necessary.
: Not applicable.
: The authors declare that they have no competing interests.
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