ACKNOWLEDGEMENTS
The authors would like to thank the children, parents and members of staff who were involved or assisted with the study at the Cystic Fibrosis clinic conducted by the hospital. The authors would also like to acknowledge the National Research Foundation and the University of Pretoria for the provision of PhD scholarship funds. and the Fleming Fund for the provision of funds. Sequencing of isolates in this study was made possible by support from the SEQAFRICA project which is funded by the Department of Health and Social Care’s Fleming Fund using UK aid. The views expressed in this publication are those of the authors and not necessarily those of the UK Department of Health and Social Care or its Management Agent, Mott MacDonald.