Funding for this research was provided by:
The Open Research Fund of State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics (SKLVD2018KF001, SKLVD2018KF002)
The Special innovative team project of Hubei Health and Family Planning Commission of China (WJ2016JT-007)
The Key Support Project of Hubei Health and Family Planning Commission of China (WJ2017Z018)
Text and Data Mining valid from 2020-04-07
Received: 21 September 2019
Accepted: 13 March 2020
First Online: 7 April 2020
Ethics approval and consent to participate
: This effort of outbreak control and investigation was part of CDC’s routine responsibility in Hubei Province; therefore, institutional review and informed consent were waived by Medical Ethics Committee of Hubei Center for Disease Control and Prevention on the following grounds: (1) all data analyzed were anonymized; (2) neither medical intervention nor biological samples were involved; (3) study procedures and results would not affect clinical management of patients in any form.
: Not applicable.
: The authors declare that they have no competing interests.