Acknowledgements
We would like to thank the patient and her family for their courage and willingness to share details of this case in the hopes of creating awareness in the wake of this outbreak. We thank Zhongshan Second People’s Hospital, Xiaolan CDC, Zhongshan CDC, Guangdong CDC, and other medical institutions and staff members in Zhongshan for assistance with field investigation and data collection. We also thank them for assistance in preparation and submission of an earlier version of this manuscript.