Funding Acknowledgement Xuezheng Ma, Chinese Academy of Inspection and Quarantine 24 November 2015 This study was also supported by CAIQ Research Fund： The Evaluation of Imported Non-invasive Hemorrhagic Fever Diagnosis and Surveillance (2014JK008). Competing interests All authors declare that they have no competing interests.
Funding Acknowledgement
24 November 2015
This study was also supported by CAIQ Research Fund： The Evaluation of Imported Non-invasive Hemorrhagic Fever Diagnosis and Surveillance (2014JK008).Competing interests
All authors declare that they have no competing interests.