Funding for this research was provided by:
Key Technologies R&D Program of the National Ministry of Science, China (2018ZX10713002)
Text and Data Mining valid from 2019-06-13
Received: 8 March 2019
Accepted: 24 May 2019
First Online: 13 June 2019
Ethics approval and consent to participate
: The project was approved by the Ethical Committee of National Institute for Viral Disease Control and Prevention, China CDC, and the committee’s reference number is 012, IVDC2018.
: Written informed consent for specimen collection, testing and publication was obtained from the patients’ parents or guardians.
: The authors declare that they have no competing interests.